問題詳情

50. Nitrifying bacteria obtain their chemical energy from:
(A) the reduction of NO3 to

.
(B) the formation of 

 from N2 gas.
(C) the oxidation of 

 to N2.
(D) the oxidation of

 to

 
(E) the formation of NO2, from

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