問題詳情

3._____ The basic chemical structure of protein is
(A) simple sugars.
(B) carbon, oxygen, and hydrogenonly.
(C) amino acids.
(D) 10-20 linked polypeptides.

參考答案

答案：B
難度：適中0.535714
統計：A(1),B(30),C(24),D(0),E(0)