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Wellesley College

BISC110/112- Introduction to Cell Biology- Spring 2011

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BISC110/112 Spring 2011 Lab Calendar

Monday Tuesday Wednesday Thursday Friday
January 24
Lab 1
January 25
Lab 1
January 26
Lab 1
January 27
Lab 1
January 28
Lab 1
January 31
Lab 2
February 1
Lab 2
February 2
Lab 2
February 3
Lab 2
February 4
Lab 2
February 7
Lab 3
February 8
Lab 3
February 9
Lab 3
February 10
Lab 3
February 11
Lab 3
February 14
Lab 4
February 15
Lab 4
February 16
Lab 4
February 17
Lab 4
February 18
Lab 4
February 21
President's Day
February 22
Lab 5
February 23
Lab 5
February 24
Lab 5
February 25
Lab 5
February 28
Lab 5
March 1
Lab 6
March 2
Lab 6
March 3
Lab 6
March 4
Lab 6
March 7
Lab 6
March 8
Lab 7
March 9
Lab 7
March 10
Lab 7
March 11
Lab 7
March 14
Lab 7
March 15
March 16
March 17
Spring Break
March 18
Spring Break
March 21
Spring Break
March 22
Spring Break
March 23
Spring Break
March 24
Spring Break
March 25
Spring Break
March 28
Lab 8
March 29
Lab 8
March 30
Lab 8
March 31
Lab 8
April 1
Lab 8
April 4
Lab 9
April 5
Lab 9
April 6
Lab 9
April 7
Lab 9
April 8
Lab 9
April 11
Lab 10
April 12
Lab 10
April 13
Lab 10
April 14
Lab 10
April 15
Lab 10
April 18
Patriots' Day
April 19
Monday Schedule
April 20
Lab 11
April 21
Lab 11
April 22
Lab 11
April 25
Lab 11
April 26
Lab 11
April 27
April 28
April 29
May 2
Lab 12
May 3
Lab 12
May 4
Lab 12
May 5
Lab 12
May 6
Lab 12

Schedule of Experiments

Section Lab # Activities
1 1-5 Boot Camp: Metric Measurement; Using Basic Lab Equipment; Making Solutions and Dilutions; Microscopy; Scientific Investigation; Designing & Executing Experiments; Data Analysis & Display; Statistical parameters; Scientific Writing
2 6-7 Genetics: DNA extraction, Visualization by agarose gel electrophoresis; Genotype/phenotype via Taster SNP data collection and analysis
3 8-10 Photosynthesis: Extraction of photosynthetic pigments; Spectrophotometry: Beer-Lambert Law, Linear regression analysis; Hill Reaction: Self-designed investigation of factors affecting photosystems
4 11 Gene Regulation/Enzymology: Invertase enzyme assay
Lab Practical 12 Hands-on skills assessment:

BISC110/112 Assignments/ Weekly Lab Planner

Series Lab # LAB DATES__ LAB DESCRIPTION________ Assignment/Notes
1 1 Jan. 24 to
Jan. 28
Practice metric conversions;
Practice pipetting;
Making Solutions; Microscopy;
Examination of Tetrahymena pyriformis
Homework: Familiarize yourself with the wiki, particularly the information in the BISC110/F10:Resources section of the Lab wiki;
Lab 1 Practice Problems downloadable here Media:Lab_1_Practice_Problems110.doc;

Read about the process of endocytosis in your textbook;
familiarize yourself with phagocytosis in Tetrahymena from the following reference articles:
Gronlien HK, Berg T, Lovlie AM.In the polymorphic ciliate Tetrahymena vorax, the non-selective phagocytosis seen in microstomes changes to a highly selective process in macrostomes. (2002), Journal of Experimental Biology 205, 2089-2097;
McLaughlin NB and Buhse HE, Jr., Localization by indirect immunofluorescence of tetrin, actin, and centrin to the oral apparatus and buccal cavity of the macrostomal form of Tetrahymena vorax., (2004), J Eukaryot. Microbiol., 51(2), 253-257.

1 2 Jan. 31 to
Feb. 4
Tetrahymena Behavior: Phagocytosis; Observations;
Data Analysis; Accuracy vs. Precision; Statistical Parameters; Data Presentation;
Effective Figure Design and Legends using the Gronlien article as a model.
Homework: Study dilution making for Lab 3;
Generate two figures with legends
from your Tetrahymena experiment:
one or more microphotographs of Tetrahymena
and a graph or table of data.
1 3 Feb. 7 to
Feb. 11
Making Dilutions; Determination of toxicity of Heavy Metals on Tetrahymena;
Design your own experiment exploring
inhibitors and Tetrahymena phagocytosis
Homework: There are animated tutorials on dilution
available at the following link: Dilution Help Tutorials;
Finalize your experimental design for Lab 4;
have it approved by your lab instructor;
Write a results section of a scientific report
on your findings in the Tetrahymena toxicity experiment
including a narrative portion and integrated figures with legends;

Work the dilution problems found at
Media: Lab_3_110_Dilution_Problems.doc and hand them in in Lab 4.

1 4 Feb. 14 to
Feb. 18
Student Designed Experiments:
Potential Inhibitors of Vacuole Formation;
Homework: 5 minute oral presentation in PowerPoint of your data,
including a figure and figure legend,
summarizing your Lab 4 experimental results.
Read assigned journal article for science writing discussion
[Link to Wellesley College Library]
1 5 Feb. 22 to
Feb. 28
Scientific Writing Workshop with Journal Article Discussion;
Science Writing Workshop;
Homework: Tetrahymena Partial Scientific Research Report: DUE AT THE BEGINNING OF LAB 6
Title Page, Results, Discussion and References sections.
Guidelines at: Resources;
Science Writing peer-tutor appointment scheduling at:
Wellesley College Writing Program Resources.

Have Lab notebooks ready to be turned in
for inspection after Lab 6.
Read Lab 6 (first lab in Series 2, Genetics)
Prepare a flow chart in your lab notebook of all Lab 6 experimental procedures.

2 6 March 1 to
March 7
Genetics: Taster SNP 1-Test PTC Taster Phenotype;
Isolate and digest DNA; PCR;
Homework: Read the following background information
on restriction enzymes found at:

and on gel electrophoresis at:; also Read the following background information
on ethical issues in genetic testing: Direct-to-Consumer Genetic Testing, Two Sides of the Coin by Farkas and Holland, J Mol Diagn. 2009 Jul;11(4):263-5. Epub 2009 Jun 18 and found at:[
PUBLIC HEALTH: A Case Study of Personalized Medicine by S. H. Katsanis, G. Javitt, and K. Hudson,published in Science, 4 April 2008 320: 53-54 [DOI: 10.1126/science.1156604](in Policy Forum)found at:;
AMA DTC testing policy recommendations at:;
Draw the expected migration locations of the Fnu4H1 digested PCR product obtained from a homozygous taster (left lane), a homozygous nontaster (center lane)
and a heterozygote (right lane) on a diagram of an agarose gel;
Answer the questions found at the following downloadable link:
Media:Taster_DTC_questions110.doc‎ to use as a template for your answers.

2 7 March 8 to
March 14
Genetics: Taster SNP 2: Prepare and perform agarose gel electrophoresis ;
Determine PTC Taster Genotype; Scientific Writing Workshop
Homework: Write a scientific research report (all sections except M&M)on your PTC Taster SNP study.
Due at the beginning of LAB 8.

For help, see the Resources
section of this wiki.
3 8 March 28 to
April 1
Photosynthesis 1: Photosynthetic pigments Homework: Prepare a full results section
for the photosynthetic pigment identification experiment;

In your lab notebook,
prepare a flow chart for the Hill Reaction (Lab 9);
Review the mechanisms of electron transport
and proton flow in photosynthesis (use your textbook).

3 9 April 4 to
April 8
Photosynthesis 2: Hill Reaction Homework: Finalize your self-designed experiment
testing a variable affecting the Hill Reaction;
Write a Materials and Methods style version
of the Hill Reaction experiment that you did this week in Lab 9
3 10 April 11 to
April 15
Photosynthesis 3: Investigation of variables affecting the Hill Reaction Homework: Plot your A580 data (y-axis) versus time in seconds (x-axis)
for the different treatments
(with the treatments on the same graph).See(Appendix E).
Determine regression equations for the linear part
of each data plots to get slope (m) values
(slopes represent the rates of electron transport).
Calculate the rates (change over time of the linear portion of your graphs)
and plot those values against your variable (x-axis);

A full paper on your experiment, in the form of a scientific research report,
is due at beginning of Lab 11.

Discuss your results in terms of how the factor that you chose to investigate
affects the electron transport rate in photosynthesis.
Compare your results to other investigations published in the primary literature.
Refer to the " Guidelines for science writing"
information found in the Resources
section of the wiki.

4 11 April 20 to
April 26
Enzymology Homework: Prepare for a Lab Practical Skills Assessment in lab 12.

Answer the following questions
(5 points) and hand them in to your instructor
at the beginning of Lab 12.
Download a Word document form of these questions here:Media: Lab_11_Questions_110.doc
Make sure Lab Notebook is ready to turn in for grading

Skills Assessment 12 May 2 to
May 6
Lab Practical;
Turn in Lab Notebook
End of lab

Lab Graded Assignments

Lab Assigned Lab Due Assignment
Point Value
(Total 200)
1 2 Practice Problems 5
2 3 Fig. Design (ungraded) 0
3 4 Dilution Problems (5);
Fig.& Results (10)
4 5 Oral presentation: Results, original figure & legend;
Journal article discussion
5 6 Lab notebook check (ungraded);
Partial Scientific Paper(25)
6 7 SNP Taster Questions 5
7 Due for all students
Fri. 4/2
Taster Scientific Paper (all but M&M) 35
8 9 Photosyn. Pigments Results 10
9 10 M&M (5pt);
Finalize Self-Design
Experiment Hill Rxn.(ungraded)
10 11 Full Scientific Paper Hill Rxn. 35
11 12 Lab Notebook Check (10)
Concept Questions Enzymology/Gene Reg. (5)
12 12 Lab Practical:Hands-on skills assessment
Other - Discretionary Points
Preparation & Participation