問題詳情

71.tIf a cell were unable to synthesize or obtain tetrahydrofblic acid (H4 folate), it would probably be deficient in the biosynthesis of:
(A)tisoleucine
(B)tleucine
(C)tlysine
(D)tmethionine
(E)tserine

參考答案

答案：D

統計：A:0,B:0,C:1,D:1,E:0

難度：計算中