41.在檸檬酸循環(citric acid cycle)中，檸檬酸(citrate)是由那二種物質產生的？
(A)isocitrate＋succinyl-CoA
(B)succinate＋fumarate
(C)malate＋oxaloacetate
(D)oxaloacetate＋acetyl-CoA

答案：(D) 二、選項逐條解析 (A...