6. Which of the following enzyme catalyzes the committed step in the citric acid cycle?
(A) Succinate dehydrogenase
(B) Citrate synthase
(C) Pyruvate dehydrogenase
(D) Isocitrate dehydrogenase

(E) Succinyl-CoA synthetase

1. 題目解析在這道題目中，我們需要找...