1. Define the following terms:

a. Cellular respiration (aerobic respiration) (2 points)

b. Fermentation (anaerobic respiration) (2 points)

2. Summarize what occurs during the three steps of cellular respiration and indicate where

each process takes place in the cell. (6 points)

a. Glycolysis

b. Krebs cycle

c. Oxidative phosphorylation

3. What is the primary energy molecule in cells? (5 points)
4. List the equation in word and chemical form for each of the following processes: (6 points)

a. Cellular respiration

b. Alcoholic fermentation

c. Lactic acid fermentation

5. Does glycolysis require the presence of oxygen? Please explain your answer. (5 points)

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6. Why was phenol red used as an indicator of cellular respiration? (5 points)
7. How did exercise affect the rate of cellular respiration? (Hiintt:: Review the time it took for the

solution to change with and without exercise). (5 points)

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8. What color was the phenol red solution for each tube after 4 hours elapsed? (8 points)

a. Control

b. Dried peas

c. Germinating peas

d. Boiled peas

9. Compare cellular respiration in the dried, germinating, and boiled peas. Explain why some

peas in the experiment produced carbon dioxide (CO2) while other peas did not. (5 points)

10. What is the advantage of cellular respiration? (5 points)