問題詳情

1. Which of the following amino acid is branched at β-carbon?
(A) Leucine
(B) Threonine
(C) Serine
(D) Phenylalanine
(E) Histidine



參考答案

答案：B[非官方正解]
難度：適中0.5
書單：沒有書單，新增