試題詳解

82. Which of the following is correct regarding the reaction shown below? pyruvate + HCO₃ ⁻ + ATP → oxaloacetate + ADP + Pi ① It requires the direct transport of oxaloacetate across the membrane. ② It utilizes the malate-aspartate shuttle in some species. ③ It is essential for gluconeogenesis. ④ Its reactants require the function of enzymes which are only found in the cytosol.
(A) ①②
(B) ②③
(C) ③④
(D) ①③
(E) ②④