問題詳情

40. Only the ________ tautomeric form of ribose exists in nucleic acid structure?
(A) a-pyranose
(B) B-pyranose
(C) a-
furanose
(D) B-furanose
(E) all of the above.

參考答案

答案：D

統計：A:0,B:0,C:0,D:0,E:0

難度：計算中