問題詳情

17. Oxidation-reduction reactions in biological system always involve；
(A) direct participation of oxygen.
(B) transfer of electron(s).
(C) mitochondria.
(D) formation of water.
(E) transfer of hydrogens.

參考答案

答案：99

統計：A:0,B:1,C:1,D:0,E:0

難度：計算中