試題詳解

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