試題詳解

18. The enzymes of the citric acid cycle are listed in the following:

(1) Fumarase (2) Succinate dehydrogenase (3) Succinyl-CoA synthase

(4) Aconitatse (5) α-Ketoglutarate dehydrogenase (6) Isocitrate dehydrogenase (7). Citrate synthase (8) Pyruvate dehydrogenase (9) Malate dehydrogenase 

Use the information to answer the following questions:
(A) Enzymes 5, 6, & 8 catalyze the reactions that release CO₂.
(B) Enzyme 4 catalyzes the reaction that produces FADH₂.
(C) Enzymes 1 & 4 catalyze reactions that transform achiral to chiral molecules.
(D) Enzymes 1 & 7 catalyze the reactions that consume double-bond-containing molecules.
(E) Enzymes 5 & 6 catalyze the reactions that are bypassed in the glyoxylate cycle.