問題詳情

17. When two carbohydrates are epimers:

(A) one is a pyranose, the other a furanose.
(B)one is an aldose, the other a ketose.

(C) they differ in length by one carbon.
(D)they differ only in the configuration around one carbon atom.

(E)they rotate plane-polarized light in the same direction.

參考答案

答案:99

統計:A:0,B:0,C:0,D:0,E:0

難度:計算中