Question

The conversion of 1 mol of pyruvate to 3 mol of CO2 via pyruvate dehydrogenase and the citric acid cycle yields ___mol of NADH, ____mol of FADH2, and ___mol of ATP (or GTP).

A. 3; 2; 0

B. 4; 2; 1

C. 4; 1; 1

D. 3; 1; 1

E. 2; 2; 2

Citric Acid Cycle enzyme that has a mechanism similar to pyruvate dehydrogenase (and requires TPP, lipoic acid, FAD) is:

A. malate dehydrogenase.

B. succinate dehydrogenase.

C. alpha-ketoglutyrate dehydrogenase.

D. isocitrate dehydrogenase.

E. fumarase.