Review Self_Quiz -- CELLULAR RESPIRATION:
Below are some multiple choice self-quiz review questions to reinforce chapter terms and important concepts. Many of these questions will appear on the exams.

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1. What is the overall chemical equation (reaction formula) for the complete breakdown of glucose to carbon dioxide and water?

2. The greatest contributor of electrons to the electron transport system is

a. oxygen
b. water
c. the transition reaction
d. Krebs Cycle
e. glycolysis

3. Glycolysis starts and ends in the ______.

a. chloroplast
b. nucleus
c. plasma membrane
d. mitochondrion
e. cytroplasm

4. Which one of the following does NOT form during glycolysis?

a. CO2
b. NADH
c. Pyruvate
d. ATP
e. None of the above -- all form during glycolysis

5. When oxygen is present the pathway of cellular respiration is completed in the

a. chloroplast
b. nucleus
c. plasma membrane
d. mitochondrion
e. cytroplasm

6. Mitochondria are found:

a. only in "animal" cells
b. only in "plants" cells
c. in all living cells
d. in all prokaryotic cells
e. in all eukaryotic cells

7. ________ engage in lactate fermentation.

a. yeast cells
b. yogurt bacteria
c. muscle cells
d. a and b
e. b and c

8. ________ engage in alcohol fermentation.

a. yeast cells
b. yogurt bacteria
c. muscle cells
d. a and b
e. b and c

9. In certain organisms and under certain conditions, _____ can be used as an energy alternative to glucose.

a. fatty acids
b. glycerol
c. amino acids
d. all of the above
e. none of the above

10. ATP formed by enzymatically transferring a phosphate from a metabolic substrate to ADP.

a. substrate-level phosphorylation
b. oxidative phosphorylation

11. ATP formed in an electron transport system that uses oxygen as the final electron acceptor.

a. substrate-level phosphorylation
b. oxidative phosphorylation

12. In the electron transport chain in the mitochondrion membrane, hydrogen ions and electrons ultimately combines with _____ to produce water.

a. pyruvic acid (pyruvate)
b. oxalacetic acid (oxalacetate)
c. citric acid (citrate)
d. oxygen
e. carbon dioxide

13. During glycolysis in the cellular respiration pathway, one glucose molecule releases a net of

a. 36 ATP
b. 32 ATP
c. 18 ATP
d. 10 ATP
e. 2 ATP

14. During glycolysis in the cellular respiration pathway, two glucose molecule releases a net of

a. 72 ATP
b. 64 ATP
c. 36 ATP
d. 20 ATP
e. 4 ATP

15. During glycolysis in the cellular respiration pathway, three glucose molecule releases a net of

a. 108 ATP
b. 96 ATP
c. 54 ATP
d. 30 ATP
e. 6 ATP

16. In alcoholic fermentation the end product(s) is/are

a. ATP and water
b. water and carbon dioxide
c. ethanol and oxygen
d. carbon dioxide and ethanol
e. lactic acid

17. In human muscle cell fermentation the end product(s) is/are

a. ATP and water
b. water and carbon dioxide
c. ethanol and oxygen
d. carbon dioxide and ethanol
e. lactic acid

18. The Krebs Cycle in the cellular respiration pathway produces

a. pyruvic acid (pyruvate)
b. water
c. oxygen
d. glucose
e. carbon dioxide

19. Which metabolic pathway is common to both fermentation and aerobic cellular respiration

a. Krebs cycle
b. glycolysis
c. synthesis of acetyl-CoA from pyruvate
d. electron transport chain
e. reduction of pyruvate to lactate

20. During cellular respiration, when oxygen is present, one glucose molecules release

a. 108 ATP
b. 96 ATP
c. 54 ATP
d. 36 ATP
e. 6 ATP

21. During cellular respiration, when oxygen is present, three glucose molecules release

a. 108 ATP
b. 96 ATP
c. 54 ATP
d. 30 ATP
e. 6 ATP

22. During starvation or fasting the carbohydrates stored in the body are depleted in about

a. 1 hour
b. 1 day
c. 1 week
d. 1 month
e. Never

23. The Cellular Respiration pathway can be subdivided into _______ shorter reaction pathways

a. 1
b. 2
c. 3
d. 4
e. 5

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