問題詳情
37. Which of the following statements about the citric acid (CA) cycle is correct?
1. The citric acid cycle is considered part of aerobic metabolism because the NADH and FADH2 produced are reoxidized in the electron transport chain linked to oxygen.2. Succinyl CoA is a high-energy compound in CA cycle that can provide energy for phosphorylation of ADP at the substrate level.
3. Two enzymes, pyruvate carboxylase and pyruvate dehydrogenase, outside the cycle can profoundly affect CA cycle activity.
(B) 2 and 3.
(C) 1 and 3.
(E) None of above is correct.
(A) 1 and 2.
(D) 1,2 and 3.