33. The enzymes of the citric acid cycle are listed in the following. 1. Pyruvate dehydrogenase 2. Succinate dehydrogenase4. Citrate synthase 5. a-ketoglutarate dehydrogenase7. Succinyl-CoA synthase 8. Fumarase3. Aconitatse6. Isocitrate dehydrogenase9. Malate dehydrogenase Which of the following descriptions is correct?
(A) Enzyme 7 catalyzes the reaction that produces FADH2.
(B) Enzymes 1, 5, and 9 catalyze the reactions that release CO2.
(C) Enzymes 4 and 8 catalyze reactions consume H2O.
(D) Enzymes 2 and 4 catalyze the reactions that consume double-bond-containing molecules.
(E) Enzymes 3 and 6 catalyze the reactions that are bypassed in the glyoxylate cycle.