BioNumbersDB
flat file of data in www.bioNumbers.org
Go to website to get values and full reference in a searchable format
bion_id	property	organism	value	range	units
1	Cell length	Bacteria Escherichia coli	2		microns
2	Cell diameter	Bacteria Escherichia coli	0.8		microns
3	Cell total volume	Bacteria Escherichia coli	1		um3
4	Cell total volume	Bacteria Escherichia coli	1.12E-18	0.44-1.79*10^-18	m3
5	Cell aqueous volume	Bacteria Escherichia coli	0.7		um3
6	Cell surface area	Bacteria Escherichia coli	6		um2
7	Cell wet weight	Bacteria Escherichia coli	1		pg
8	Cell dry weight	Bacteria Escherichia coli	0.3		pg
9	Cell dry weight	Bacteria Escherichia coli	0.64		pg
10	Periplasm volume	Bacteria Escherichia coli	0.065		fL
11	Cytoplasm volume	Bacteria Escherichia coli	0.67		fL
12	Envelope volume	Bacteria Escherichia coli	0.16		fL
13	Nuclear (DNA+protein) volume	Bacteria Escherichia coli	0.16		fL
14	Inner Membrane thickness	Bacteria Escherichia coli	8		nm
15	Outer Membrane thickness	Bacteria Escherichia coli	11.5	8 to 15	nm
16	Periplasm thickness	Bacteria Escherichia coli	10		nm
17	Average size of protein	Bacteria Escherichia coli	360		aa
18	Average diameter of ave. protein	Bacteria Escherichia coli	5		nm
19	Average MW of protein	Bacteria Escherichia coli	40		kDalton
20	Average prot. oligomerization state	Bacteria Escherichia coli	4		proteins/complex
21	Average MW of protein entity	Bacteria Escherichia coli	160		kDalton
22	Average size of mRNA	Bacteria Escherichia coli	1100		bp
23	Average length of mRNA	Bacteria Escherichia coli	370		nm
24	Average MW of all RNAs	Bacteria Escherichia coli	400		kDalton
25	Average MW of single DNA	Bacteria Escherichia coli	3000000		kDalton
26	Average MW of all DNA	Bacteria Escherichia coli	7000000		kDalton
27	Average length of DNA (chrom.)	Bacteria Escherichia coli	1.55		mm
28	Diameter of chromosome	Bacteria Escherichia coli	490		micron
29	Diameter of condensed chromosome	Bacteria Escherichia coli	17		micron
30	Spacing between small organics	Bacteria Escherichia coli	3.6		nm/molecule
31	Spacing between ions	Bacteria Escherichia coli	2.1		nm/molecule
32	Ave. spacing between proteins	Bacteria Escherichia coli	7		nm/molecule
33	Spacing between protein entities	Bacteria Escherichia coli	9		nm/molecule
34	Mean Velocity of 70 kD protein (cytoplasm)	Bacteria Escherichia coli	3		nm/ms
35	Mean Velocity of 40 kD protein (cytoplasm)	Bacteria Escherichia coli	5		nm/ms
36	Mean Velocity of 30 kD protein (cytoplasm)	Bacteria Escherichia coli	7		nm/ms
37	Mean Velocity of 14 kD protein (cytoplasm)	Bacteria Escherichia coli	10		nm/ms
38	Mean Velocity of small molecules (cytoplasm)	Bacteria Escherichia coli	50		nm/ms
39	Mean Velocity of protein in H2O	Bacteria Escherichia coli	27		nm/ms
40	Mean Velocity of small molecules in H2O	Bacteria Escherichia coli	87		nm/ms
41	Concentration of protein in cell	Bacteria Escherichia coli	260	200-320	mg/ml
42	Concentration of RNA in cell	Bacteria Escherichia coli	97.5	75-120	mg/ml
43	Concentration of DNA in cell	Bacteria Escherichia coli	14.5	18-Nov	mg/ml
44	Volume occupied by water	Bacteria Escherichia coli	70		Percent
45	Volume occupied by protein	Bacteria Escherichia coli	17		Percent
46	Volume occupied by all RNA	Bacteria Escherichia coli	6		Percent
47	Volume occupied by rRNA	Bacteria Escherichia coli	5		Percent
48	Volume occupied by tRNA	Bacteria Escherichia coli	0.8		Percent
49	Volume occupied by mRNA	Bacteria Escherichia coli	0.2		Percent
50	Volume occupied by DNA	Bacteria Escherichia coli	1		Percent
51	Volume occupied by ribosomes	Bacteria Escherichia coli	8		Percent
52	Volume occupied by lipid	Bacteria Escherichia coli	3		Percent
53	Volume occupied by LPS	Bacteria Escherichia coli	1		Percent
54	Volume occupied by murein	Bacteria Escherichia coli	1		Percent
55	Volume occupied by glycogen	Bacteria Escherichia coli	1		Percent
56	Volume occupied by ions	Bacteria Escherichia coli	0.3		Percent
57	Volume occupied by small organics	Bacteria Escherichia coli	1		Percent
58	Translation rate	Bacteria Escherichia coli	40		aa/sec
59	Translation rate	Bacteria Escherichia coli	20		aa/sec
60	RNA polymerase transcription rate	Bacteria Escherichia coli	70		nt/sec
61	Number of cell walls/cell	Bacteria Escherichia coli	1		Unitless
62	Number of membranes/cell	Bacteria Escherichia coli	2		Unitless
63	Number of chromosomes/cell	Bacteria Escherichia coli	2.3		Unitless
64	Number of mRNA/cell	Bacteria Escherichia coli	4000		Unitless
65	Number of rRNA/cell	Bacteria Escherichia coli	18000		Unitless
66	Number of tRNA/cell	Bacteria Escherichia coli	200000		Unitless
67	Number of all RNA/cell	Bacteria Escherichia coli	222000		Unitless
68	Number of polysaccharides/cell	Bacteria Escherichia coli	39000		Unitless
69	Number of murein molecules/cell	Bacteria Escherichia coli	470000	240,000-700,000	Unitless
70	Number of lipopolysaccharide/cell	Bacteria Escherichia coli	600000		Unitless
71	Number of lipids/cell	Bacteria Escherichia coli	25000000		Unitless
72	Number of all lipids/cell	Bacteria Escherichia coli	25000000		Unitless
73	Number of phosphatidylethanolamine	Bacteria Escherichia coli	18500000		Unitless
74	Number of phosphatidylglycerol	Bacteria Escherichia coli	5000000		Unitless
75	Number of cardiolipin	Bacteria Escherichia coli	1200000		Unitless
76	Number of phosphatidylserine	Bacteria Escherichia coli	500000		Unitless
77	Number of LPS (MW = 10kD)	Bacteria Escherichia coli	600000		Unitless
78	Average SA of lipid molecule	Bacteria Escherichia coli	25		Ang2
79	Fraction of lipid bilayer=lipid	Bacteria Escherichia coli	40		Percent
80	Fraction of lipid bilayer=protein	Bacteria Escherichia coli	60		Percent
81	Number of outer membrane proteins	Bacteria Escherichia coli	300000		Unitless
82	Number of porins (subset of OM)	Bacteria Escherichia coli	60000		Unitless
83	Number of lipoproteins (OM)	Bacteria Escherichia coli	240000		Unitless
84	Number of inner membrane proteins	Bacteria Escherichia coli	200000		Unitless
85	Number of nuclear proteins	Bacteria Escherichia coli	100000		Unitless
86	Number of cytoplasmic proteins	Bacteria Escherichia coli	1000000		Unitless
87	Number of ribosomal proteins	Bacteria Escherichia coli	900000		Unitless
88	Number of periplasmic proteins	Bacteria Escherichia coli	80000		Unitless
89	Number of all proteins in cell	Bacteria Escherichia coli	2600000		Unitless
90	Number of all proteins in cell in amino acids	Bacteria Escherichia coli	1890000000		amino acids
91	Time to replicate the chromosome	Bacteria Escherichia coli	53.5	40-67	Minutes
92	Average distance between ribosomes on mRNA	Bacteria Escherichia coli	60	41-79	nucleotides
93	Number of external proteins (flag/pili)	Bacteria Escherichia coli	1000000		Unitless
94	Number of all proteins	Bacteria Escherichia coli	3600000		Unitless
95	Number of protein types to make flagella	Bacteria Escherichia coli	42		Unitless
96	Length of flagella	Bacteria Escherichia coli	15	20-Oct	microns
97	Diameter of flagella	Bacteria Escherichia coli	25		nm
98	Number of protofilaments in flagellum	Bacteria Escherichia coli	11		Unitless
99	Diameter of each fliC monomer	Bacteria Escherichia coli	5		nm
100	Number of fliC monomers in filament	Bacteria Escherichia coli	33000		Unitless
101	Number of flagella/cell	Bacteria Escherichia coli	10		Unitless
102	Number of fliC proteins	Bacteria Escherichia coli	330000		Unitless
103	Speed at which E. coli move	Bacteria Escherichia coli	50		micron/sec
104	Number of protein types to make pilus	Bacteria Escherichia coli	1		Unitless
105	Length of pili/fimbrae	Bacteria Escherichia coli	1100	200-2000	nm
106	Diameter of pili	Bacteria Escherichia coli	6.5		nm
107	Number of papA/nm pilus	Bacteria Escherichia coli	1.5		Unitless
108	Number of papA monomers/pilus	Bacteria Escherichia coli	16500	3000-30,000	Unitless
109	Number of pili/cell	Bacteria Escherichia coli	200	100-300	Unitless
110	Number of papA/cell	Bacteria Escherichia coli	600000	300,000-900,000	Unitless
111	Number of ribosomes/cell	Bacteria Escherichia coli	18000		Unitless
112	Number of protein types to make ribosome	Bacteria Escherichia coli	55		Unitless
113	Number rRNA types to make ribosome	Bacteria Escherichia coli	3		Unitless
114	Number of proteins in 30S subunit	Bacteria Escherichia coli	21		Unitless
115	Number of proteins in 50S subunit	Bacteria Escherichia coli	34		Unitless
116	Number of rRNA in 30S subunit	Bacteria Escherichia coli	1		Unitless
117	Number of rRNA in 50S subunit	Bacteria Escherichia coli	2		Unitless
118	Length of all rRNA	Bacteria Escherichia coli	5520		nt
119	MW of ribosome	Bacteria Escherichia coli	2700		kDalton
120	MW of RNA component	Bacteria Escherichia coli	1700		kDalton
121	MW of protein component	Bacteria Escherichia coli	1000		kDalton
122	Diameter of ribosome	Bacteria Escherichia coli	20		nm
123	Volume of ribosome	Bacteria Escherichia coli	0.0000042		um3
124	Number of water molecules/cell	Bacteria Escherichia coli	23400000000		Unitless
125	Number of ions/cell	Bacteria Escherichia coli	120000000		Unitless
126	Number of small organics/cell	Bacteria Escherichia coli	18000000		Unitless
127	Number of K ions	Bacteria Escherichia coli	90000000		Unitless
128	Number of Na ions	Bacteria Escherichia coli	2000000		Unitless
129	Na (in): Na (out)	Bacteria Escherichia coli	0.05		Unitless
130	Number of Ca ions	Bacteria Escherichia coli	2300000		Unitless
131	Number of free Ca ions	Bacteria Escherichia coli	40		Unitless
132	Number of Cl ions	Bacteria Escherichia coli	2400000		Unitless
133	Number of Mg ions	Bacteria Escherichia coli	4000000		Unitless
134	Number of Fe ions	Bacteria Escherichia coli	7000000		Unitless
135	Number of Mn ions	Bacteria Escherichia coli	1700000		Unitless
136	Number of Zn ions	Bacteria Escherichia coli	1700000		Unitless
137	Number of Mo ions	Bacteria Escherichia coli	1700000		Unitless
138	Number of Cu ions	Bacteria Escherichia coli	1700000		Unitless
139	Number of PO4 ions	Bacteria Escherichia coli	2000000		Unitless
140	Number of glucose/cell	Bacteria Escherichia coli	300000	200,000-400,000	Unitless
141	Number of PEP/cell	Bacteria Escherichia coli	1100000		Unitless
142	Number of pyruvate/cell	Bacteria Escherichia coli	370000		Unitless
143	Number of gluc-6-PO4/cell	Bacteria Escherichia coli	20000		Unitless
144	Number of ATP/cell	Bacteria Escherichia coli	1750000	500,000 - 3,000,000	Unitless
145	Number of ADP/cell	Bacteria Escherichia coli	70000		Unitless
146	Number of NADP/cell	Bacteria Escherichia coli	240000		Unitless
147	Number of NADPH/cell	Bacteria Escherichia coli	220000		Unitless
148	Number of all amino acids/cell	Bacteria Escherichia coli	6000000		Unitless
149	Number of free Alanine/cell	Bacteria Escherichia coli	350000		Unitless
150	Number of free Cysteine/cell	Bacteria Escherichia coli	80000		Unitless
151	Number of free Aspartate/cell	Bacteria Escherichia coli	530000		Unitless
152	Number of free Glutamate/cell	Bacteria Escherichia coli	200000		Unitless
153	Number of free Phenylalanine/cell	Bacteria Escherichia coli	170000		Unitless
154	Number of free Glycine/cell	Bacteria Escherichia coli	350000		Unitless
155	Number of free Histidine/cell	Bacteria Escherichia coli	80000		Unitless
156	Number of free Isoleucine/cell	Bacteria Escherichia coli	200000		Unitless
157	Number of free Lysine/cell	Bacteria Escherichia coli	190000		Unitless
158	Number of free Leucine/cell	Bacteria Escherichia coli	300000		Unitless
159	Number of free Methionine/cell	Bacteria Escherichia coli	40000		Unitless
160	Number of free Asparagine/cell	Bacteria Escherichia coli	200000		Unitless
161	Number of free Proline/cell	Bacteria Escherichia coli	200000		Unitless
162	Number of free Glutamine/cell	Bacteria Escherichia coli	200000		Unitless
163	Number of free Arginine/cell	Bacteria Escherichia coli	170000		Unitless
164	Number of free Serine/cell	Bacteria Escherichia coli	300000		Unitless
165	Number of free Threonine/cell	Bacteria Escherichia coli	1400000		Unitless
166	Number of free Valine/cell	Bacteria Escherichia coli	240000		Unitless
167	Number of free Tryptophan/cell	Bacteria Escherichia coli	80000		Unitless
168	Number of free Tyrosine/cell	Bacteria Escherichia coli	300000		Unitless
169	Osmotic pressure (pushing out)	Bacteria Escherichia coli	75		lb/in2
170	One glucose generates (total)	Bacteria Escherichia coli	37	36-38	ATP
171	Glycolysis yields	Bacteria Escherichia coli	7	8-Jun	ATP
172	Oxidation of pyruvate yields	Bacteria Escherichia coli	6		ATP
173	Krebs cycle/e- transport yields	Bacteria Escherichia coli	24		ATP
174	Number ATP to make 1 DNA	Bacteria Escherichia coli	72289000		Unitless
175	Number ATP to make 1 protein (360 aa)	Bacteria Escherichia coli	1500		Unitless
176	Number ATP to make 1 lipid	Bacteria Escherichia coli	7		Unitless
177	Number ATP to make 1 polysaccharide	Bacteria Escherichia coli	2000		Unitless
178	Number ATP to make 1 RNA (1000 nt)	Bacteria Escherichia coli	2000		Unitless
179	Number ATP to make 1 cell	Bacteria Escherichia coli	55000000000		ATP
180	Number Glucose molecules consumed	Bacteria Escherichia coli	1400000		Unitless
181	Cell generation time	Bacteria Escherichia coli	30		minutes
182	Number of chemoreceptors (total)	Bacteria Escherichia coli	15000		proteins
183	Number of major receptors (Tsr+Tar)	Bacteria Escherichia coli	14000		proteins
184	Number of minor receptors (Trg+Tap+Aer)	Bacteria Escherichia coli	1000		proteins
185	Number of kinases (CheA)	Bacteria Escherichia coli	4500		proteins
186	Number of receptor-kinase couplers (CheW)	Bacteria Escherichia coli	6700		proteins
187	Number of phosphatases (CheZ)	Bacteria Escherichia coli	3200		proteins
188	Number of feedback response regulators (CheB)	Bacteria Escherichia coli	240		proteins
189	Number of methyltransferases	Bacteria Escherichia coli	140		proteins
190	Time constant for sub-saturating response	Bacteria Escherichia coli	4		seconds
191	Cell length	Bacteria Escherichia coli	3		um
192	Cell diameter	Bacteria Escherichia coli	1		um
193	Cell volume	Bacteria Escherichia coli	2		um3
194	GFP diffusion rate in cytoplasm	Bacteria Escherichia coli	7.7	plus/minus 2.5	µm^2/s
195	Available RNAP	Bacteria Escherichia coli	30		nM
196	Available ribosomes	Bacteria Escherichia coli	500		nM
197	Average number of proteins per transcript	Bacteria Escherichia coli	10		unitless
198	Ribosome + RNAn --> Ribosome·RNAn+1	Bacteria Escherichia coli	100		bp/sec
199	Diffusion coefficient of dextran (40kDa) in Drosophila cytoplasm	Fruit fly Drosophila melanogaster	17.6	plus/minus 1.8	um^2/s
200	Genome Size	Fruit fly Drosophila melanogaster	120000000		Base pairs
201	Number of genes	Fruit fly Drosophila melanogaster	13647		Genes
202	Chromosome number (2n)	Fruit fly Drosophila melanogaster	8		unitless
203	median length of a yeast RNA molecule [nucleotides]	Yeast	1474		unitless
204	median cost of precursor synthesis per nucleotide [~P]	Budding yeast Saccharomyces cerevisiae	49.3		unitless
205	median mRNA abundance	Yeast	1.2		unitless
206	median mRNA decay constant	Yeast	0.00056		s^-1
207	median length of a yeast protein	Yeast	385		aa
208	median cost of precursor synthesis per amino acid [~P]	Budding yeast Saccharomyces cerevisiae	30.3		unitless
209	median protein abundance	Yeast	2460		unitless
210	TRPV1 Q10		20.6		Unitless
211	TRPV1 Q10		25.6		Unitless
212	Diameter of Bacillus subtilis	Bacteria Bacillus subtilis	0.87		um
213	Length of Bacillus subtilis in rich media	Bacteria Bacillus subtilis	4.7		um
214	Length of Bacillus subtilis in minimal sorbitol medium	Bacteria Bacillus subtilis	2.3		um
215	Water as percentage of the total wet weight	bacteria	70		Percent
216	Intracellular concentration of Na+ in early cleavage stage Xenopus laevis embryos	African clawed frog Xenopus laevis	21		mM
217	Protein percentage by weight in bacteria	Bacteria	26	20-32	Percent
218	Intracellular concentration of K+ in early cleavage stage Xenopus laevis embryos	African clawed frog Xenopus laevis	90		mM
219	number of bacteriochlorophylls per reaction center	Bacteria	70	40-100	unitless
220	Intracellular concentration of Cl- in Xenopus laevis eggs	African clawed frog Xenopus laevis	60		mM
221	Mutation rate per base pair per replication	Bacteriophage Lambda	0.000000077		mutation/bp/replication
222	Intercellular concentration of Na+ in stage 9 blastula embryos of Xenopus laevis	African clawed frog Xenopus laevis	91		mM
223	Mutation rate per genome per replication	Bacteriophage Lambda	0.0038		mutation/genome/replication
224	Intercellular concentration of K+ in stage 9 blastula embryos of Xenopus laevis	African clawed frog Xenopus laevis	4		mM
225	Mutation rate per base pair per replication	Bacteriophage M13	0.00000072		mutation/bp/replication
226	Intercellular concentrationof Cl- in stage 9 blastula embryos of Xenopus laevis	African clawed frog Xenopus laevis	59		mM
227	Mutation rate per genome per replication	Bacteriophage M13	0.0046		mutation/genome/replication
228	Intercellular concentration of Ca2+ in stage 9 blastula embryos of Xenopus laevis	African clawed frog Xenopus laevis	1.5		mM
229	Mutation rate per base pair per replication	Bacteriophages T2 and T4	0.000000024		mutation/bp/replication
230	Concentration of ATP in Xenopus laevis eggs	African clawed frog Xenopus laevis	0.8	0.6-1	mM
231	Mutation rate per genome per replication	Bacteriophages T2 and T4	0.004		mutation/genome/replication
232	Concentration of GTP, CTP, and UTP in Xenopus laevis eggs	African clawed frog Xenopus laevis	0.4	0.2-0.6	mM
233	Virus diameter, head only	Bacteriophage Lambda	0.000066		um3
234	Translation rate of beta-galactosidase in E. coli	Bacteria Escherichia coli	14.5	13-16	aa/s
235	Genome Size	African clawed frog Xenopus laevis	3000000000		Base pairs
236	Virus diameter, head only	Bacteriophage Lambda	50		nm
237	Number of output response regulators (CheY)	Bacteria Escherichia coli	8200		proteins
238	Number of genes	Yeast	6609		ORF
239	Leaf area index	Biosphere	4.3		micromol/m^2/sec
240	Dynamic range for gradient sensing of alpha-methylaspartate	Bacteria Escherichia coli	5		orders of magnitude
241	Number of tRNA	Yeast	299		unitless
242	Global primary productivity - [carbon]	Biosphere	1E+14		kg/year
243	Diffusion rate of cytochrome c	Horse Equus caballus	13		10^-7*cm^2/sec
244	Number of rRNA genes	Budding yeast Saccharomyces cerevisiae	150		unitless
245	Total CO2 in biosphere	Biosphere	4.00E+16		kg
246	Diffusion rate of Hemoglobin, oxy	Horse Equus caballus	6.02		10^-7*cm^2/sec
247	Diffusion rate of Concanavalin A	Budding yeast Saccharomyces cerevisiae	6.34		10^-7*cm^2/sec
248	Diffusion rate of Pancreatic trypsin inhibitor	Cow Bos Taurus	12.9		10^-7*cm^2/sec
249	Diffusion rate of Alcohol dehydrogenaseh	Horse Equus caballus	6.23		10^-7*cm^2/sec
250	Molecular weight of Concanavalin A	Yeast	51260		Dalton
251	Diffusion rate of Ribonuclease A	Cow Bos Taurus	10.7		10^-7*cm^2/sec
252	Molecular weight of cytochrome c	Horse Equus caballus	12310		Dalton
253	Percent of total transcription devoted to ribosomal RNA	Yeast	60		Percent
254	Diffusion rate of Trypsin	Cow Bos Taurus	9.3		10^-7*cm^2/sec
255	Molecular weight of Hemoglobin, oxy	Horse Equus caballus	64610		Dalton
256	RNA to DNA ratio	Yeast	50		Unitless
257	Diffusion rate of Elastase	Cow Bos Taurus	9.5		10^-7*cm^2/sec
258	Molecular weight of Alcohol dehydrogenaseh	Horse Equus caballus	79870		Dalton
259	Percent of total RNA that is ribosomal RNA	Yeast	80		Percent
260	Diffusion rate of Carboxypeptidase A	Cow Bos Taurus	9.2		10^-7*cm^2/sec
261	Minimal generation time	Bacteria Escherichia coli	17		Minutes
262	Percent of total RNA that is tRNA	Budding yeast Saccharomyces cerevisiae	15		Percent
263	Diffusion rate of Phosphoglycerate kinase	Cow Bos Taurus	6.38		10^-7*cm^2/sec
264	Mutation rate per base pair per replication	Bacteria Escherichia coli	5.4E-10		mutation/bp/replication
265	Percent of total RNA that is ribosomal mRNA	Budding yeast Saccharomyces cerevisiae	5		Percent
266	Molecular weight of Pancreatic trypsin inhibitor	Cow Bos Taurus	6520		Dalton
267	Mutation rate per genome per replication	Bacteria Escherichia coli	0.0025		mutation/genome/replication
268	Number of ribosomes	Budding yeast Saccharomyces cerevisiae	200000		Unitless
269	Molecular weight of Ribonuclease A	Cow Bos Taurus	13690		Dalton
270	Genome Size	Bacteria Escherichia coli	4600000		Base pairs
271	Generation time	Budding yeast Saccharomyces cerevisiae	100		minutes
272	Molecular weight of Trypsin	Cow Bos Taurus	23200		Dalton
273	Number of genes	Bacteria Escherichia coli	3000		Genes
274	Number of mRNAs in cell	Budding yeast Saccharomyces cerevisiae	15000		Unitless
275	Molecular weight of Elastase	Cow Bos Taurus	25900		Dalton
276	GFP diffusion rate in eukaryotic cytoplasm	Unspecified	27		µm^2/s
277	Gene duplication rate per gene per billion years	Budding yeast Saccharomyces cerevisiae	0.035	0.01 - 0.06	gene^-1*billion years^-1
278	Molecular weight of Carboxypeptidase A	Cow Bos Taurus	34500		Dalton
279	Genome Size	Pufferfish Fugu rubripes	365000000		Base pairs
280	Molecular weight of Phosphoglycerate kinase	Cow Bos Taurus	45800		Dalton
281	Number of genes	Pufferfish Fugu rubripes	38000		Genes
282	Genome Size	Nematode Caenorhabditis briggsae	104000000		Base pairs
283	Genome Size	Chicken Gallus gallus	120000000		Base pairs
284	Mitochondrial rRNA in egg	African clawed frog Xenopus laevis	20		ng
285	Number of genes	Nematode Caenorhabditis briggsae	19507		Genes
286	Diffusion rate of small molecule	Generic	50		10^-7*cm^2/sec
287	Mitochondrial protein in egg	African clawed frog Xenopus laevis	10		micrograms
288	Mutation rate per base pair per replication	Nematode Caenorhabditis elegans	2.3E-10		mutation/bp/replication
289	Diffusion rate of protein molecule	Generic	5		10^-7*cm^2/sec
290	Generation time	Cyanobacteria Synechocystis PCC 6803	6		Hours
291	Mutation rate per genome per replication	Nematode Caenorhabditis elegans	0.018		mutation/genome/replication
292	Diffusion rate of virus particle	Generic	0.5		10^-7*cm^2/sec
293	number of genes	Mycoplasma Mesoplasma florum	683		unitless
294	Minimal generation time	Spirochaete bacteria Treponema pallidum	1980		Minutes
295	Chromosome number (2n)	Nematode Caenorhabditis elegans	12		unitless
296	Diffusion rate of bacterial cell	Generic	0.05		10^-7*cm^2/sec
297	Genome size	Mycoplasma Mesoplasma florum	793224		bp
298	Minimal generation time	Bacteria Vibrio natriegens	9.8		Minutes
299	generation time	Nematode Caenorhabditis elegans	4		days
300	Diffusion rate of animal cell	Generic	0.005		10^-7*cm^2/sec
301	GFP diffusion rate in mitochondria	Mitochondria	25	20-30	µm^2/s
302	GFP diffusion rate in water	Not applicable	87		µm^2/s
303	Nuclear volume of a stage VI Xenopus laevis oocyte	African clawed frog Xenopus laevis	40		nL
304	Life span	Nematode Caenorhabditis elegans	2.5	3-Feb	weeks
305	Weight of DNA base pair	Generic	665		Dalton
306	Genome Size	Mouse Mus musculus	3000000000		Base pairs
307	Chromosomal DNA weight	African clawed frog Xenopus laevis	12		pg
308	Protein accumulation rate of a stage VI Xenopus laevis oocyte	African clawed frog Xenopus laevis	400		ng/day
309	Genome Size	Nematode Caenorhabditis elegans	100000000		Base pairs
310	Weight of single stranded DNA base	Generic	325		Dalton
311	Number of genes	Mouse Mus musculus	30000		Genes
312	Nucleolar rDNA weight	African clawed frog Xenopus laevis	25		pg
313	Amount of ATP in a stage VI Xenopus laevis oocyte	African clawed frog Xenopus laevis	1700		pmol
314	Number of genes	Nematode Caenorhabditis elegans	20621		Genes
315	Weight of single stranded RNA base	Generic	340		Dalton
316	Mutation rate per base pair per replication	Mouse Mus musculus	1.8E-10		mutation/bp/replication
317	Nucleolar rDNA	African clawed frog Xenopus laevis	2000000		rDNA repeats
318	Amount of CTP in a stage VI Xenopus laevis oocyte	African clawed frog Xenopus laevis	500		pmol
319	Water as percentage of the total wet weight in heart fibroblasts	Chicken Gallus gallus	77		Percent
320	Conversion from weight to bp	Generic	978		Mbp/pgram
321	Mutation rate per genome per replication	Mouse Mus musculus	0.49		mutation/genome/replication
322	Mitochondrial DNA weight	African clawed frog Xenopus laevis	4000		pg
323	Amount of UTP in a stage VI Xenopus laevis oocyte	African clawed frog Xenopus laevis	1200		pmol
324	Chromosome number (2n)	Chimpanzee Pan troglodytes	48		unitless
325	Flux of photons	Generic	4.00E+21		Photons/m^2/sec
326	Q10 (24-36°C) of TRPV4	Mouse Mus musculus	19.1		Unitless
327	Mitochondrial DNA	African clawed frog Xenopus laevis	100000000		genomes
328	Polysome density in Xenopus stage VI oocytes	African clawed frog Xenopus laevis	1		polymerase per 100-200 nucleotides
329	Generation time	Green algae Chlamydomonas reinhardtii	5		Hours
330	Max Photosynthetic photon flux	Generic	2000		micromol/m^2/sec
331	TRPV3 Q10	Mouse Mus musculus	6.62		Unitless
332	rRNA	African clawed frog Xenopus laevis	5		ug
333	Elongation rate of RNA polymerase in Xenopus stage VI oocytes	African clawed frog Xenopus laevis	15		nucleotides/s
334	Number of chromosomes/cell	Green algae Chlamydomonas reinhardtii	17		Unitless
335	Mean Photosynthetic photon flux	Generic	800		micromol/m^2/sec
336	Chromosome number (2n)	Mouse Mus musculus	40		unitless
337	5S RNA	African clawed frog Xenopus laevis	60		ng
338	RNA accumulation rate in stage VI Xenopus laevis oocyte	African clawed frog Xenopus laevis	20		ng/day
339	Genome Size	Green algae Chlamydomonas reinhardtii	120000000		Base pairs
340	Effective cross section of chlorophyll for useful photons	Generic	0.09		Angstrom^2
341	Protein percentage by weight in muscle cells	Unspecified	23		Percent
342	5S RNA	African clawed frog Xenopus laevis	1E+12		RNAs
343	Elongation rate of ribosomes in Xenopus laevis stage VI oocytes	African clawed frog Xenopus laevis	3		nucleotides/s
344	Chlorophyll concentration	Chloroplast	30		mol/m^3
345	Maximal absorption rate under sun illumination of chlorophyll pigment	Generic	4		1/sec
346	Minimal generation time	Mycobacterium tuberculosis	862	792-932	Minutes
347	tRNA	African clawed frog Xenopus laevis	60		ng
348	Number of Vitellogenin mRNA transcripts per liver cell after estrogen stimulation of Xenopus laevis males or females	African clawed frog Xenopus laevis	30000		transcripts/cell
349	Genome Size	Zebrafish Danio rerio	1700000000		Base pairs
350	Catalysis rates of photosystem units	Generic	5050	100-10000	1/sec
351	Mutation rate per base pair per replication	Bread mold Neurospora crassa	7.2E-11		mutation/bp/replication
352	tRNA	African clawed frog Xenopus laevis	1.5E+12		tRNAs
353	Number of rRNA genes in E. coli	Bacteria Escherichia coli	7		unitless
354	Diffusion rate of Lactate dehydrogenase	Dogfish	4.99		10^-7*cm^2/sec
355	Catalysis rates of photosystem units	Generic	200		1/sec
356	Mutation rate per genome per replication	Bread mold Neurospora crassa	0.003		mutation/genome/replication
357	snRNA U1	African clawed frog Xenopus laevis	0.07		ng
358	Molecular weight of Lactate dehydrogenase	Dogfish	146200		Dalton
359	Amino acid replacement rate [per site per year]	Generic	0.000000001		year^-1
360	Genome Size	Bread mold Neurospora crassa	39900000		Base pairs
361	snRNA U1	African clawed frog Xenopus laevis	800000000		RNAs
362	Chromosome number (2n)	Cat Felis silvestris catus	38		unitless
363	Osmotic pressure of the ocean	Generic	27		Atm
364	Number of genes	Bread mold Neurospora crassa	10000		Genes
365	polyA+ RNA	African clawed frog Xenopus laevis	80		ng
366	Mutation rate per base pair per replication	Fruit fly Drosophila melanogaster	3.4E-10		mutation/bp/replication
367	Chromosome number (2n)	Goldfish Carassius auratus	104		unitless
368	Chloroplast length	Plant cell	4		um
369	Chloroplast diameter	Plant cell	1		um
370	polyA+ RNA	African clawed frog Xenopus laevis	50000000000		RNAs
371	Mutation rate per genome per replication	Fruit fly Drosophila melanogaster	0.058		mutation/genome/replication
372	Chromosome number (2n)	Gorilla Gorilla species	48		unitless
373	Chloroplast volume	Plant cell	3		um3
374	ribosomal protein mRNA	African clawed frog Xenopus laevis	10		ng
375	Q10 (5–20°C) of Shaker K+ channel peak amplitude	Fruit fly Drosophila melanogaster	1.51		Unitless
376	Chromosome number (2n)	Guinea Pig Cavia porcellus	16		unitless
377	Number of chlorophyll per reaction center	Plants	400	100-700	unitless
378	ribosomal protein mRNA	African clawed frog Xenopus laevis	20000000000		transcripts
379	Q10 (5–20°C) of Shaker K+ channel activation time constant	Fruit fly Drosophila melanogaster	3.14		Unitless
380	Number of cell divisions in an average human lifespan	Human Homo sapiens	1.00E+17		Cell divisions
381	Diffusion rate of Adenylate kinase	Pig Sus species	10.2		10^-7*cm^2/sec
382	actin mRNA	African clawed frog Xenopus laevis	1		ng
383	Q10 (5–20°C) of Shaker K+ channel inactivation time constant	Fruit fly Drosophila melanogaster	7.2		Unitless
384	number of DNA damage events caused by oxidative damage	Human Homo sapiens	1000		bases damaged per cell per day
385	Diffusion rate of Bence Jones REI	Pig Sus species	10		10^-7*cm^2/sec
386	actin mRNA	African clawed frog Xenopus laevis	500000000		transcripts
387	Q10 (5–20°C) of Shaker K+ channel ratio b/w steady-state & peak current	Fruit fly Drosophila melanogaster	2.95		Unitless
388	Water as percentage of the total wet weight	Mammalian tissue culture cell	70		Percent
389	Diffusion rate of Subtilisin novo	Pig Sus species	9.04		10^-7*cm^2/sec
390	Hsp70 mRNA	African clawed frog Xenopus laevis	0.004		ng
391	Diffusion rate of Lysozyme	Chicken Gallus gallus	11.3		10^-7*cm^2/sec
392	Diffusion rate of Malate dehydrogenase	Pig Sus species	5.76		10^-7*cm^2/sec
393	Hsp70 mRNA	African clawed frog Xenopus laevis	1000000		transcripts
394	Molecular weight of Lysozyme	Chicken Gallus gallus	14320		Dalton
395	Molecular weight of Adenylate kinase	Pig Sus species	21640		Dalton
396	Ribosomes	African clawed frog Xenopus laevis	1E+12		ribosomes
397	Genome Size	Human Homo sapiens	3000000000		Base pairs
398	Molecular weight of Bence Jones REI	Pig Sus species	23500		Dalton
399	Yolk protein	African clawed frog Xenopus laevis	250		ug
400	Number of genes	Human Homo sapiens	23000		Genes
401	Molecular weight of Subtilisin novo	Pig Sus species	27530		Dalton
402	non-yolk protein	African clawed frog Xenopus laevis	25		ug
403	Diffusion rate of Chymotrypsinogen	Human Homo sapiens	9.48		10^-7*cm^2/sec
404	Molecular weight of Malate dehydrogenase	Pig Sus species	74900		Dalton
405	non-yolk protein	African clawed frog Xenopus laevis	5E+14		proteins
406	Diffusion rate of Superoxide dismutase	Human Homo sapiens	8.92		10^-7*cm^2/sec
407	TRPV1 Q10 (41–50°C)	Rat Rattus norvegicus	27		Unitless
408	Histones	African clawed frog Xenopus laevis	140		ng
409	Molecular weight of Chymotrypsinogen	Human Homo sapiens	25670		Dalton
410	Q10 (47–51°C) of heat activated current in DRG neurons	Rat Rattus norvegicus	17.8		Unitless
411	Histones	African clawed frog Xenopus laevis	5E+12		histone proteins
412	Molecular weight of Superoxide dismutase	Human Homo sapiens	33900		Dalton
413	Chromosome number (2n)	Rat Rattus norvegicus	42		unitless
414	Nucleoplasmin	African clawed frog Xenopus laevis	250		ng
415	Mutation rate per base pair per replication	Human Homo sapiens	5E-11		mutation/bp/replication
416	number of DNA damage events caused by oxidative damage	Rat Rattus norvegicus	10000		bases damaged per cell per day
417	Nucleoplasmin	African clawed frog Xenopus laevis	5E+12		nucleoplasmin proteins
418	Mutation rate per genome per replication	Human Homo sapiens	0.16		mutation/genome/replication
419	Water as percentage of the total wet weight	Rat Rattus norvegicus	74		Percent
420	RNA polymerase I and II	African clawed frog Xenopus laevis	100000		greater than a somatic cell
421	absolute abundance of p53	Human Homo sapiens	160000	16 ± 6 x 10^4	unitless
422	Protein percentage by weight in red blood cells	Unspecified	35		Percent
423	RNA polymerase III	African clawed frog Xenopus laevis	500000		greater than a somatic cell
424	DNA double strand breaks induced by ionizing radiation [DSB per Gray per cell]	Human Homo sapiens	36		unitless
425	Minimal generation time	Bacteria Rhizobium japonicum	402.5	344-461	Minutes
426	Each dNTP	African clawed frog Xenopus laevis	12.5	15-Oct	pmol
427	Chromosome number (2n)	Human Homo sapiens	46		unitless
428	median haploid cell volume	Budding yeast Saccharomyces cerevisiae	42		micron^3
429	rGTP	African clawed frog Xenopus laevis	250		pmol
430	Minimal generation time	Bacteria Lactobacillus acidophilus	76.5	66-87	Minutes
431	median haploid cell volume	Budding yeast Saccharomyces cerevisiae	37		micron^3
432	Methionine	African clawed frog Xenopus laevis	40		pmol
433	Cell diameter	Mammalian tissue culture cell	15	20-Oct	um
434	Number of Zn ions in YPD	Budding yeast Saccharomyces cerevisiae	80000000		Unitless
435	Cell volume	Mammalian tissue culture cell	2250	500 - 4000	um3
436	Number of Se ions in YPD	Budding yeast Saccharomyces cerevisiae	60000000		Unitless
437	Mitochondria length	Mammalian tissue culture cell	1		um
438	Number of S ions in YPD	Budding yeast Saccharomyces cerevisiae	500000000		Unitless
439	Mitochondria volume	Mammalian tissue culture cell	0.5		um3
440	Number of P ions in YPD	Budding yeast Saccharomyces cerevisiae	5000000000		Unitless
441	Nuclear diameter	Mammalian tissue culture cell	7.5	10-May	um
442	Number of Ni ions in YPD	Budding yeast Saccharomyces cerevisiae	20000000		Unitless
443	Nuclear volume	Mammalian tissue culture cell	283	66 - 500	um3
444	Number of Na ions in YPD	Budding yeast Saccharomyces cerevisiae	200000000		Unitless
445	number of depurination events	Mammalian tissue culture cell	10000		bases depurinated per cell per day
446	Number of Mn ions in YPD	Budding yeast Saccharomyces cerevisiae	500000		unitless
447	number of depyrimidination events	Mammalian tissue culture cell	500		bases depyrimidinated per cell per day
448	Nuclear volume (average)	Budding yeast Saccharomyces cerevisiae	2.9		um3
449	Protein percentage by weight in mammalian tissue culture cell	Unspecified	21.5	17-26	Percent
450	Nuclear:cell volume ratio	Budding yeast Saccharomyces cerevisiae	0.07		Unitless
451	Median cell volume of a haploid budding yeast in glucose medium (S288c background)	Budding yeast Saccharomyces cerevisiae	42		um3
452	Cell diameter	Budding yeast Saccharomyces cerevisiae	5		um
453	Cell volume	Budding yeast Saccharomyces cerevisiae	66		um3
454	Cell length	Fission yeast Schizosaccharomyces pombe	7		um
455	Cell diameter	Fission yeast Schizosaccharomyces pombe	2		um
456	Cell volume	Fission yeast Schizosaccharomyces pombe	22		um3
457	Cell length at division	Fission yeast Schizosaccharomyces pombe	13.5		um
458	Mutation rate per base pair per replication	Budding yeast Saccharomyces cerevisiae	2.2E-10		mutation/bp/replication
459	Mutation rate per genome per replication	Budding yeast Saccharomyces cerevisiae	0.0027		mutation/genome/replication
460	Genome Size	Budding yeast Saccharomyces cerevisiae	12156678		Base pairs
461	Diffusion rate of Myoglobin	Sperm whale Physeter macrocephalus	11.3		10^-7*cm^2/sec
462	Molecular weight of Myoglobin	Sperm whale Physeter macrocephalus	17800		Dalton
463	Protein percentage by weight in axoplasm	Squid	5		Percent
464	Minimal generation time	Bacteria Staphylococcus aureus	28.5	27-30	Minutes
465	Minimal generation time	Bacteria Lactococcus lactis	26		Minutes
466	Minimal generation time	Bacteria Lactococcus lactis	48		Minutes
467	Number of chlorophyll pigments in PSI	Cyanobacteria Synechococcus elongatus PCC 7942	96		unitless
468	Minimal generation time	Bacteria Bacillus megaterium	25		Minutes
469	Molecular weight of Carbonic anhydrase	B. amyloliq.	28800		Dalton
470	Diffusion rate of Carbonic anhydrase	B. amyloliq.	10.7		10^-7*cm^2/sec
471	Water as percentage of the total wet weight in an axon	Unspecified	87		Percent
472	Time for O2 replenishment by photosynthesis	Not applicable	2000		years
473	Total CO2 in atmosphere	Atmosphere	8E+14		kg
474	Number of genes	Thale cress Arabidopsis thaliana	25498		unitless
475	Chromosome number (2n)	Thale cress Arabidopsis thaliana	10		unitless
476	Chromosome number (2n)	Mosquito Anapheles gambiae	6		unitless
477	Number of genes	Mosquito Anapheles gambiae	13600		Genes
478	Genome Size	Mosquito Anapheles gambiae	280000000		Base pairs
479	Chromosome number (2n)	Adder's Tongue Fern	1262		unitless
480	Water flow through aquaporin 1 channel	Generic	500000000		molecules/second
481	Globular protein volume	Generic	0.000000066		um3
482	Globular protein diameter	Generic	5		nm
483	Ribosome volume	Generic	0.000014		um3
484	Ribosome diameter	Generic	30		nm
485	Number of rRNA genes	Bacteria Vibrio natriegens	13		Unitless
486	Free calcium(2+) intercellular blastocoel concentration	African clawed frog Xenopus laevis	1.12	plus/minus 0.04	mM
487	Total calcium(2+) in frog egg	African clawed frog Xenopus laevis	6.5E-09	5x10-9 - 8x10-9	mol
488	Total magnesium(2+) in frog egg	African clawed frog Xenopus laevis	1.45E-08	12x10-9 - 17x10-9	mol
489	Total potassium (1+) in frog egg	African clawed frog Xenopus laevis	0.00000006		mol
490	Total sodium (1+) in frog egg	African clawed frog Xenopus laevis	0.00000005		mol
491	Median cell size of a diploid budding yeast in glucose medium (S288c background)	Budding yeast Saccharomyces cerevisiae	82		um3
492	Mean nuclear volume of a haploid budding yeast in glucose medium (S288c background)	Budding yeast Saccharomyces cerevisiae	2.9	SD of 0.9	um3
493	CO2 emissions due to vulcanism	Biosphere	0.035	0.02-0.05	10^15 gram Carbon/year
494	Length of eukaryotic cilia and flagella	Unspecified	10		um
495	Diameter of the smallest eukaryote Ostreococcus tauri	Ostreococcus tauri	1		um
496	Percentage of human cancers worldwide attributable to viruses	Human Homo sapiens	20		%
497	Increased risk of Kaposi's sarcoma in transplant patients	Human Homo sapiens	450	400-500	fold increase
498	Increased risk of squamous cell vulvar and anal carcinomas in transplant patients	Human Homo sapiens	100		fold increase
499	Mass of Escherichia coli in excess of displaced buffer	Bacteria Escherichia coli	110	30	fg
500	Mass of Bacillus subtilis cell in excess of displaced buffer	Bacteria Bacillus subtilis	150	40	fg
501	Diameter of Xenopus tropicalis eggs	Frog Xenopus tropicalis	0.75	0.7 to 0.8	cm
502	Diameter of the egg of the frog Xenopus laevis	Frog Xenopus laevis	1.15	1 to 1.3	cm
503	Number of eggs laid per spawning	Frog Xenopus laevis	650	300 to 1000	eggs
504	Number of eggs laid per spawning	Frog Xenopus tropicalis	5000	1000 to 9000	eggs
505	Genome size	Frog Xenopus tropicalis	1700000000		base pairs
506	Generation time	Frog Xenopus laevis	10	8 to 12	months
507	Generation time	Frog Xenopus tropicalis	3.75	3 to 4.5	months
508	Diameter of peripheral blood lymphocytes	Human Homo sapiens	7.5	8-Jul	um
509	Diameter of monocytes	Human Homo sapiens	15	18-Dec	um
510	Diameter of erythrocytes	Human Homo sapiens	7.5		um
511	Diameter of neutrophils and eosinophils	Human Homo sapiens	11	12-Oct	um
512	Percentage of the white blood cells in blood that are neutrophils	Human Homo sapiens	60	50-70	%
513	Percentage of white blood cells in blood that are lymphocytes	Human Homo sapiens	30	25-30	%
514	Percentage of white blood cells in blood that are monocytes	Human Homo sapiens	5	7-Mar	%
515	Diameter of plasma cells	Human Homo sapiens	10.5	12-Sep	um
516	Number of copies of the chromosome	Cyanobacteria Synechococcus elongatus PCC 7942	6.5		unitless
517	conversion efficiency from producers to primary consumers	Ecosystem	10		Percent
518	Conversion efficiency from producers to primary consumers	Ecosystem	17		Percent
519	Conversion efficiency from primary to secondary consumers	Ecosystem	4.5		Percent
520	Shortest generation time of an insect	Aphid Rhopalosiphum prunifolia	4.7		days
521	Mean volume of freshly isolated T cells from spleen and mesenteric lymph nodes	Mouse Mus musculus	131.4	plus/minus 3.9	um3
522	Development time egg to adult	Drosophila melanogaster	7		days
523	Lifespan	Fruit fly Drosophila melanogaster	30		days
524	GC content	Green Algea Dunaliella viridis	51.1		Percent
525	GC content	Green algae Chlamydomonas reinhardtii	64		Percent
526	GC content	Cyanobacteria Synechococcus elongatus PCC 7942	55.4		Percent
527	Number of genes	Cyanobacteria Synechococcus elongatus PCC 7942	2728		unitless
528	Genome size	Cyanobacteria Synechococcus elongatus PCC 7942	2796470		bp
529	GC content	Bacteria Escherichia coli	50.8		Percent
530	Length	Cyanobacteria Synechococcus elongatus PCC 7942	3.1	5-Feb	micron
531	cell diameter	Cyanobacteria Synechocystis PCC 6803	1		micron
532	prokaryote abundance in top 1m of soil in forest	prokaryote	40000000		cells/gram of soil
533	prokaryote abundance in 1-8m depth of soil in forest	prokaryote	1000000		cells/gram of soil
534	prokaryote abundance in top 1m of soil	prokaryote	2000000000		cells/gram of soil
535	prokaryote abundance in 1-8m depth of soil	prokaryote	100000000		cells/gram of soil
536	prokaryote abundance in 1-8m depth of soil	prokaryote	100000000		cells/gram of soil
537	weight of a cubic meter of limestone	Biosphere	2600000		g/m^3
538	estimate weight of a cubic meter of soil	Biosphere	1000000		g/m^3
539	prokaryote abundance in top 1m of high metal abundance soil	prokaryote	2000000000	plus/minus 9e7	g/dry weight of soil
540	prokaryote abundance in top 1m of low metal abundance soil	prokaryote	2400000000	plus/minus 9e7	g/dry weight of soil
541	prokaryote abundance in top 1m of normal metal abundance soil	prokaryote	2600000000	plus/minus 1e8	g/dry weight of soil
542	Surface area of earth covered by land	Biosphere	148300000		km^2
543	Surface area of earth covered by water	Biosphere	361800000		km^2
544	Percent of land covered by snow	Biosphere	20		unitless
545	Percent of land covered by mountains	Biosphere	20		unitless
546	Percent of land covered by dry lands	Biosphere	20		unitless
547	Percent of land covered by good farmable lands	Biosphere	30		unitless
548	Percent of land covered by no topsoil	Biosphere	10		unitless
549	Number of prokaryotes in the top 200m of ocean	prokaryote	3.60E+28		cells
550	Number of prokaryotes in the top 1m of soil	prokaryote	2.60E+29		cells
551	Number of prokaryotes beneath 1m of soil	prokaryote		0.25-2.5e30	cells
552	Number of prokaryotes beneath 200m of ocean	prokaryote	6.50E+28		cells
553	Calculation of species diversity in non contaminated soil	prokaryote	8300000		species/gram
554	Calculation of species diversity in low metal contaminated soil	prokaryote	6400		species/gram
555	Calculation of species diversity in high metal contaminated soil	prokaryote	790		species/gram
556	Number of prokaryotes in human colon	prokaryote	7E+13		cells/organ
557	Number of prokaryotes in termite hindgut	prokaryote	2700000		cells
558	Number of prokaryotes in cattle rumen	prokaryote	2.00E+15		cells/organ
559	Number of prokaryotes in human colon world-wide	prokaryote	3.90E+23		cell
560	Number of prokaryotes in termite hindgut world-wide	prokaryote	6.50E+23		cell
561	Number of prokaryotes in cattle rumen world-wide	prokaryote	2.90E+24		cell
562	Total ATP demand in hepatocyte cell	Turtle	67		microMole ATP/g/hour
563	ATP demand for Na+ pump in hepatocyte cell as percent of total consumption	Turtle	28.5		Percent
564	ATP demand for protein synthesis in hepatocyte cell as percent of total consumption	Turtle	36.4		Percent
565	ATP demand for protein breakdown in hepatocyte cell as percent of total consumption	Turtle	16.6		Percent
566	ATP demand for urea synthesis in hepatocyte cell as percent of total consumption	Turtle	3		Percent
567	ATP demand for gluconeogenesis in hepatocyte cell as percent of total consumption	Turtle	17		Percent
568	Total ATP demand in hepatocyte cell under anoxic conditions	Turtle	6.3		microMole ATP/g/hour
569	Barbed end Actin-ATP association rate constant	Unspecified	12		1/s
570	Barbed end Actin-ATP dissociation rate constant	Unspecified	1.4		1/(uM*s)
571	Barbed end Actin-ADP association rate constant	Unspecified	4		1/(uM*s)
572	Barbed end Actin-ADP dissociation rate constant	Unspecified	8		1/s
573	Pointed end Actin-ATP association rate constant	Unspecified	1.3		1/(uM*s)
574	Pointed end Actin-ATP dissociation rate constant	Unspecified	0.8		1/s
575	Pointed end Actin-ADP association rate constant	Unspecified	0.16		1/(uM*s)
576	Pointed end Actin-ADP dissociation rate constant	Unspecified	0.3		1/s
577	Half time for hydrolysis of bound ATP-actin	Unspecified	2		seconds
578	Half time of phosphate dissociation for ADP-Pi-actin	Unspecified	350		seconds
579	Surface Area of Human Skin	Human Homo sapiens		1.6-1.8	m^2
580	Length of a C. elegans nematode	Nematode Caenorhabditis elegans	1		mm
581	number of eggs layed during life span	Nematode Caenorhabditis briggsae	300		Unitless
582	Number of somatic cell nuclei in an adult hermaphrodite	Nematode Caenorhabditis elegans	959		Unitless
583	Number of somatic cells in an adult male	Nematode Caenorhabditis elegans	1031		Unitless
584	number of cells in a hatched larvae	Nematode Caenorhabditis elegans	558		Unitless
585	Cellulose microfibrils tensile modulus	Plants		>10^11	N/m^2
586	Cell wall as percent of plant cell dry matter	Plants		45-65	Percent
587	Cellulose as percent of cell wall	Plants		35-50	Percent
588	Hemicellulose as percent of cell wall	Plants		20-35	Percent
589	Lignin as percent of cell wall	Plants		25-Oct	Percent
590	Ratio of carbon to phosphorus in phytoplankton	phytoplankton	106		unitless
591	Ratio of nitrogen to phosphorus in phytoplankton	phytoplankton	16		unitless
592	Ratio of silicon to phosphorus in phytoplankton	Diatoms	15		unitless
593	Plasmodesmata openings in the cell wall as percentage of the surface area of a cell	Plants		0.1-0.5	Percent
594	Number of plasmodesmata openings in the cell wall per square micrometer	Plants		10-Feb	micron^(-2)
595	Plasmodesmata diameter	Plants	50	20-200	nanometer
596	Carbon content in organic dry matter	Biosphere		0.45-0.5	g C per g dry matter
597	Total terrestrial net primary productivity (NPP) of the biosphere	Biosphere	120		Pg dry weight/year
598	Genome size and chromosome number database website	Generic		Database link	N/A
599	BRENDA - a database of enzyme properties	Generic		Database link	N/A
600	CyberCell Project - statistics on the bacteria E.coli	Bacteria Escherichia coli		Database link	N/A
601	yeastgfp - a database of protein abundance in yeast	Budding yeast Saccharomyces cerevisiae		Database link	N/A
602	Net primary producitivty - collection of references and values	Biosphere		Database link	N/A
603	Total net primary productivity of the biosphere (terrestrial and oceanic)	Biosphere	1.70E+17		g dry weight/year
604	Present day geothermal energy produced by earth	Biosphere	0.0292		W·m^-2
605	Energy content of carbohydrate	Generic	39.9		kJ/ gC
606	Global net primary productivity in terms of energy units	Biosphere	0.21		W/m^(-2)
607	Mutation rate of HIV reverse transcriptase in cells	HIV	0.00003		mutations per bp per cycle
608	Half-life of HIV infected cells in-vivo	HIV	1.6		days
609	Half-life of free HIV virions in plasma	HIV		28-110	minutes
610	Daily production HIV particles in untreated patients	HIV	1E+11		Virus particles per day
611	Affinity of transcription factors for nonspecific DNA	Generic		10^(-3)-10^(-6)	M
612	Concentration of DNA binding sites inside the cell	Bacteria Escherichia coli	0.01		M
613	Diffusion coefficient of human serum albumin in water	Human Homo sapiens	0.00000061		cm2/s
614	Diffusion coefficient of insulin in water	Human Homo sapiens	0.0000015		cm2/s
615	Diffusion coefficient of sucrose in water	Unspecified	0.0000052		cm2/s
616	Diffusion coefficient of oxygen in water	Unspecified	0.000018		cm2/s
617	Diffusion coefficient of oxygen in air	Unspecified	0.2		cm2/s
618	The ratio of the energy flux needed to support a living cell to the output flux from the sun (for same weight)	Unspecified	100000		unitless
619	Actin stall force	Unspecified	7.7	-1.3	pN per Filament
620	Actin, density of barbed ends at the leading edge of a protrusion	Unspecified	1370	-578	Filaments/micrometer square
621	focal adhesion stress on substrate	Unspecified	5.5	-2	nN*micron^(-2)
622	Mean wall shear stress in an aorta	Unspecified		4.7-10.4	dynes/cm^2
623	Smallest genome of an endosymbiont bacteria	Carsonella ruddii	159662		bp
624	The Protein Kinase Complement of the Human Genome	Human Homo sapiens	518		unitless
625	The number of kinases in the mouse kinome	Mouse Mus musculus	540		unitless
626	The number of kinases in the c. elegans kinome	Nematode Caenorhabditis elegans	438		unitless
627	Genomics, evolution and function of protein kinases	Generic		Database link	N/A
629	Alanine abundance	Bacteria Escherichia coli	9.6		Percent
630	Arginine abundance	Bacteria Escherichia coli	5.5		Percent
631	Aspartate & asparginine abundance	Bacteria Escherichia coli	9		Percent
632	Cysteine abundance	Bacteria Escherichia coli	1.7		Percent
633	Glutamate & glutamine abundance	Bacteria Escherichia coli	9.8		Percent
634	Glycine abundance	Bacteria Escherichia coli	11.5		Percent
635	Histidine abundance	Bacteria Escherichia coli	1.8		Percent
636	Isoleucine abundance	Bacteria Escherichia coli	5.4		Percent
637	Leucine abundance	Bacteria Escherichia coli	8.4		Percent
638	Lysine abundance	Bacteria Escherichia coli	6.4		Percent
639	Methionine abundance	Bacteria Escherichia coli	2.9		Percent
640	Phenylalanine abundance	Bacteria Escherichia coli	3.5		Percent
641	Proline abundance	Bacteria Escherichia coli	4.1		Percent
642	Serine abundance	Bacteria Escherichia coli	4		Percent
643	Threonine abundance	Bacteria Escherichia coli	4.7		Percent
644	Tryptophan abundance	Bacteria Escherichia coli	1.1		Percent
645	Tyrosine abundance	Bacteria Escherichia coli	2.6		Percent
646	Valine abundance	Bacteria Escherichia coli	7.9		Percent
647	Ratio of energy expenditure for protein polymerization to mRNA polymerization	Bacteria Escherichia coli	20		unitless
648	Number of metabolic compounds	Bacteria Escherichia coli	442		unitless
649	Number of metabolic compounds	Budding yeast Saccharomyces cerevisiae		>700	unitless
650	ORF transcriptome: expression levels, half lives and transcriptional freqency	Budding yeast Saccharomyces cerevisiae		Database link	N/A
651	elemental composition - percent carbon in dry mass	Bacteria Escherichia coli	50		Percent
652	elemental composition - percent oxygen in dry mass	Bacteria Escherichia coli	20		Percent
653	elemental composition - percent nitrogen in dry mass	Bacteria Escherichia coli	14		Percent
654	elemental composition - percent hydrogen in dry mass	Bacteria Escherichia coli	8		Percent
655	elemental composition - percent phosphorus in dry mass	Bacteria Escherichia coli	3		Percent
656	elemental composition - percent potassium in dry mass	Bacteria Escherichia coli	2		Percent
657	elemental composition - percent sulfur in dry mass	Bacteria Escherichia coli	1		Percent
658	elemental composition - percent calcium in dry mass	Bacteria Escherichia coli	0.05		Percent
659	elemental composition - percent magnesium in dry mass	Bacteria Escherichia coli	0.05		Percent
660	elemental composition - percent chlorine in dry mass	Bacteria Escherichia coli	0.05		Percent
661	elemental composition - percent iron in dry mass	Bacteria Escherichia coli	0.2		Percent
662	elemental composition - percent trace elements in dry mass (manganese, cobalt, copper, zinc, molybdenum)	Bacteria Escherichia coli	0.3		Percent
663	average RNA polymerase II transcription elongation rate	Mammalian tissue culture cell	6.3		nt/sec
664	maximum RNA polymerase II transcription elongation rate	Mammalian tissue culture cell	71.6		nt/sec
665	RNA polymerase II pause residence time	Mammalian tissue culture cell	240	204-307	seconds
666	single molecule RNA polymerase II transcription rates	Generic	12.8	SD=4.9	nt/sec
667	Peclet number for hydrodynamic flow of metabolites outside Volvox carteri	Volvox carteri		100-300	unitless
668	DNA double helix diameter	Generic	20		A
669	DNA helix rise per base pair	Generic	3.4		A
670	DNA base pairs per helical turn	Generic	10.5		unitless
671	distance per turn of the double helix in DNA	Generic	36		unitless
672	Number of RelA molecules per fibroblast of average volume 2000 um3	Human Homo sapiens	60000		molecules per cell
673	Water use efficency (WUE) in C3 plants	Plants		3-Jan	g CO2 per kg H2O
674	Water use efficency (WUE) in C4 plants	Plants		5-Feb	g CO2 per kg H2O
675	Water use efficency (WUE) in CAM plants	Plants		Oct-40	g CO2 per kg H2O
676	Net rate of photosynthesis JCO2	Plants	10		microMol CO2 per m^2 per sec
677	flux density of water vapor loss in a leaf	Plants	4.3		milliMol H2O per m^2 per sec
678	Number of non-reproducing, biflagellated somatic cells	Volvox carteri	2000		cells/colony
679	Number of nonflagellated, reproductive cells	Volvox carteri	16		cells/colony
680	Investment in reproductive structures as percent of total above-ground productivity	oak trees		2–27	Percent
681	GC content	Human Homo sapiens	41		Percent
682	GC content	Thale cress Arabidopsis thaliana	36		Percent
683	Number of genes	Green algae Chlamydomonas reinhardtii	15143		Genes
684	Number of tRNA	Green algae Chlamydomonas reinhardtii	259		Unitless
685	Number of tRNA	Human Homo sapiens	497		Unitless
686	Number of tRNA	Thale cress Arabidopsis thaliana	589		Unitless
687	Doubling time of cell lines	Human Homo sapiens		Database link	N/A
688	Amino acid indices, substitution matrices and pair-wise contact potentials	Generic		Database link	N/A
689	planets in solar system	Generic	8	9-Aug	Unitless
690	brain weights amd composition	Generic		Database link	N/A
691	Average brain weight	Human Homo sapiens		1300 - 1400	gram
692	Average number of neurons in the brain	Human Homo sapiens	1E+11		unitless
693	Average number of glial cells in brain per neuron	Human Homo sapiens		Oct-50	unitless
694	Length of myelinated nerve fibers in brain	Human Homo sapiens		150,000-180,000	km
695	Number of synapses in cortex	Human Homo sapiens	1.5E+14		unitless
696	Time until unconsciousness after loss of blood supply to brain	Human Homo sapiens		10-Aug	sec
697	Time until reflex loss after loss of blood supply to brain	Human Homo sapiens		40-110	sec
698	Number of fibers in human optic nerve	Human Homo sapiens	1200000		unitless
699	Number of inner hair cells in cochlea	Human Homo sapiens	3500		unitless
700	Number of outer hair cells in cochlea	Human Homo sapiens	12000		unitless
701	Hearing frequency range	Human Homo sapiens		20-20000	Hertz
702	Total number of taste buds	Human Homo sapiens	10000		unitless
703	Diameter of taste bud	Human Homo sapiens		30-60	micron
704	Number of receptors on each taste bud	Human Homo sapiens		50-150	unitless
705	Number of olfactory receptor cells	Human Homo sapiens	12000000		unitless
706	Number of cilia per olfactory receptor cell	Human Homo sapiens		30-Oct	unitless
707	Average time between blinks	Human Homo sapiens	2.8		sec
708	Average duration of a single eye blink	Human Homo sapiens		0.1-0.4	sec
709	Number of retinal cone receptor cells	Human Homo sapiens		5000000-6000000	unitless
710	Number of retinal rod receptor cells	Human Homo sapiens		120-140 million	unitless
711	Amount of photons necessary to excite a rod	Human Homo sapiens		1	unitless
712	Amount of photons necessary to excite a cone	Human Homo sapiens		100	unitless
713	Weight of skin	Human Homo sapiens	4.1		kg
714	Number of tactile receptors in the hand	Human Homo sapiens	17000		unitless
715	Thermal pain threshold	Human Homo sapiens	45		deg C
716	Mass of a large sensory neuron	Human Homo sapiens	0.000001		gram
717	Number of synapses for a "typical" neuron	Human Homo sapiens		1000-10000	unitless
718	Conduction velocity of action potential	Unspecified		0.6-120	m/s
719	Single sodium pump maximum transport rate of Na ions	Unspecified		200	1/s
720	Single sodium pump maximum transport rate of K ions	Unspecified		130	1/s
721	Typical number of sodium pumps	Unspecified	1000		pumps/micron^2
722	Total number of sodium pumps for a small neuron	Unspecified	1000000		unitless
723	Typical synaptic cleft distance	Unspecified		20-40	nanometer
724	Number of molecules of neurotransmitter in one synaptic vesicle	Unspecified		5000	unitless
725	percent brain utilization of total resting oxygen	Human Homo sapiens		20	percent