問題詳情

8. All of the amino acids EXCEPT________have both free o-amino and free a-carboxyl groups.
(A)aspartic acid
(B)proline
(C)asparagine
(D)lysine
(E)valine

參考答案

答案：[無官方正解]
難度：計算中-1
書單：沒有書單，新增