Academic Integrity: tutoring, explanations, and feedback — we don’t complete graded work or submit on a student’s behalf.

64. For the pyruvate dehydrogenase complex, what is the specific chemical functi

ID: 88022 • Letter: 6

Question

64. For the pyruvate dehydrogenase complex, what is the specific chemical function of the thiamine pyrophosphate cofactor?

A. activation of acetyl-CoA

B. oxidation of lipoic acid

C. reduction of NAD+
D. transfer of the acetyl group to CoA

E. decarboxylation of pyruvate

65. For the pyruvate dehydrogenase complex, what is the specific chemical function of the lipoic acid cofactor?

A. activation of acetyl-CoA

B. oxidation of lipoic acid

C. reduction of NAD+

66. For the pyruvate dehydrogenase complex, what is the specific chemical function of the FAD cofactor?

A. activation of acetyl-CoA

B. oxidation of lipoic acid

C. reduction of NAD+
D. transfer of the acetyl group to CoA

E. decarboxylation of pyruvate

Explanation / Answer

64. e. decarboxylation of pyruvate

65. d. transfer of acetyl group to CoA

66. c. reduction of NAD+.