Multiple Choice
Arsenic poisoning by either arsenite or organic arsenical agents work by binding to dithiol compounds such as _________ meaning that in addition to inactivation of pyruvate dehydrogenase, the citric acid cycle enzyme _________ would be inactivated.
A) cysteine; aconitase
B) coenzyme A; -ketoglutarate dehydrogenase
C) coenzyme A; citrate synthase
D) thiamine pyrophosphate; isocitrate dehydrogenase
E) lipoic acid; -ketoglutarate dehydrogenase
Correct Answer:

Verified
Correct Answer:
Verified
Q1: Which of the following coenzymes is required
Q2: Draw the enzyme-bound intermediate of the following
Q3: Which oxidation reaction requires the coenzyme
Q4: In the citric acid cycle, acetyl-CoA
Q6: The oxidation reactions that convert pyruvate to
Q7: Which of the following enzymes of the
Q8: For each molecule of acetyl-CoA that enters
Q9: Which of the following molecules is correctly
Q10: _ activates _, thereby inhibiting pyruvate dehydrogenase.<br>A)NADH;
Q11: The complete oxidation of the acetyl group