Energy Release and Conservation – Section 1

11. In lactic acid fermentation, the final electron acceptor would be

A. fructose
B. pyruvate
C. glucose
D. acetyl-CoA

Correct Answer: B. pyruvate

12. The amount of ATP that can be obtained by complete oxidation of a glucose by a bacterium is

A. greater than by a yeast cell
B. lesser than by a yeast cell
C. exactly or approximately equal to by a yeast cell
D. none of these

Correct Answer: A. greater than by a yeast cell

13. Which of the following is accomplished in chemiosmosis?

A. The oxidation of ATP
B. The oxidation of water
C. The oxidation of NADH
D. The oxidation of CO2

Correct Answer: C. The oxidation of NADH

14. A yeast or fungal cell produces how many net ATP molecules per molecule of glucose when completely oxidized?

A. 32
B. 34
C. 36
D. 38

Correct Answer: C. 36

15. Before most molecules can enter the Krebs citric acid cycle, they must be converted to

A. citric acid
B. oxaloacetic acid
C. NADH or FADH
D. acetyl-CoA

Correct Answer: D. acetyl-CoA

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