1. During heavy exercise, pyruvate is metabolized by which pathway in an effort

ID: 69376 • Letter: 1

Question

1. During heavy exercise, pyruvate is metabolized by which pathway in an effort to regenerate NAD+ ?

A. lactic acid fermentation

B. alcoholic fermentation

C. TCA cycle

D. oxidative phosphorylation

E. pyruvate dehydrogenase complex

2. During oxidative phosphorylation, where is the energy for synthesizing ATP gained?

A. through exergonic reactions

B. oxidation of Cyt C

C. oxidation of ethanol

D. electronmotive force

E. protonmotive force

3. Which of the following biochemicals is used to store electrons?

A. NADH

B. ATP

C. Acetyl-CoA

D. hemoglobin

E. sphingolipids

Explain

1. A. lactic acid fermentation

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