問題詳情

64. 5-phosphoribosyl-1-pyrophosphate (PRPP) is a precursor in the synthesis of all of the following products except________.
(A) histidine
(B) tryptophan
(C) arginine
(D) UMP
(E) AMP

參考答案

答案：C
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)