問題詳情

19. What following compounds is NOT required for purine biosynthesis?
(A) CO2
(B) Glutamate
(C) Aspartate
(D) N5, N10-Methenyl tetrahydrofolate
(E) N10-Formyl tetrahydrofolate

參考答案

答案：B
難度：適中0.636364
統計：A(7),B(2),C(0),D(0),E(0)