A.P. Biology
Big Idea 2: Cellular Processes
Name: ___________________________________
Mr. DePhillips
50 pts
Investigation #6: Cellular Respiration
What factors affect the rate of cellular respiration in multicellular organisms?
Learning Objectives:
•
•
•
To learn how a respirometer system can be used to measure respiration rates in plant seeds or small
invertebrates, such as insects or earthworms
To design and conduct an experiment to explore the effect of certain factors, including environmental
variables, on the rate of cellular respiration
To connect and apply concepts, including the relationship between cell structure and function (mitochondria);
strategies for capture, storage, and use of free energy; diffusion of gases across cell membranes; and the
physical laws pertaining to the properties and behaviors of gases
Changes/additions to the AP lab: We will most certainly be conducting “Option 1”. You will be given
separate instructions for constructing respirometers.
Time Frame: Day 1: Procedure/Option 1 (how to measure rate of cell respiration/using respirometers)
Day 2: Designing and Conducting Your Experiment (set up of all materials)
Day 3: Designing and Conducting Your Experiment continued
Rubric:
Lab Notebook 15 pts – “Getting Started” 6 questions on page 73
Analyzing Results #1-4, p. 80, includes a 5pt graph
Practical Applications “Designing and Conducting Your Investigation” 35 pts
Lab Report.
Your group will create a lab report, PowerPoint, or miniposter for your investigation.
Category
Points
Title (how X effects Y…)
2
Abstract
2
Introduction& Hypothesis
5
Methodology (Materials and Procedures)
2
Results/Data Collection/Analysis
Data tables with labels
5
Graph (title, axes, points, units, proportioned)
5
Conclusions and Discussion
10
Includes “Evaluating Results” on p.82
Grammar, spelling, punctuation
4
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
You
MrD
You must hand in a Lab Notebook yourself, and the Lab Report for the group
Data tables and graphs can be created in Excel or on graph paper. IMHO, graph paper is “easier”,
since Excel will not be available on an exam and you can usually have it done before a computer even
boots up!