試題詳解

58. Which of the following is not true of the citric acid cycle?
(A) All enzymes of the cycle are located in the cytoplasm, except succinate dehydrogenase, which is bound to the inner mitochondrial membrane.
(B) In the presence of malonate, one would expect succinate to accumulate.
(C) Oxaloacetate is used as a substrate but is not consumed in the cycle.
(D) Succinate dehydrogenase channels electrons directly into the electron transfer chain.
(E) The condensing enzyme is subject to allosteric regulation by ATP and NADH.