問題詳情
16. Nitrifying bacteria obtain their chemical energy from:
(A) the reduction of NO3 to NH4+,
(B) the formation of NH4+ from N2 gas,
(C) the oxidation of NH4+ to N2,
(D) the oxidation of NH4+ to NO3-,
(E) the formation of NO2- from NO3¯.
參考答案
答案：99
統計：A:0,B:0,C:0,D:0,E:0
難度：計算中