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試卷名稱：114年 - 114 台灣聯合大學系統_碩士班招生考試試題_化學類：生物化學#126447
年份：114年
科目：研究所、轉學考(插大)◆生物化學
22. Within the citric acid cycle (Krebs cycle), what is the direct role of acetyl-CoA?
(A) It acts as the final electron acceptor in the electron transport chain.
(B) It directly catalyzes ATP formation via substrate-level phosphorylation.
(C) It serves as the initial substrate that combines with oxaloacetate to initiate the citric acid cycle.
(D) It regulates the activity of key enzymes within the citric acid cycle through allosteric modulation.
(E) It transports protons across the inner mitochondrial membrane to generate the proton motive force.
