研究所、轉學考(插大)◆生物化學題庫下載題庫

40. Which of the following is the mechanism of action of 5-fluorouracil?
(A) competitive inhibitor of dihydrofolate reductase,
(B) suicide substrate for thymidylate synthase,
(C) competitive inhibitor of ribonucleotide reductase,
(D) non-competitive inhibitor of thioredoxin reductase,
(E) none are true.