Question
Biology Question on metabolism of nitrogen
Nitrifying bacteria
A
oxidize ammonia to nitrates
B
convert free nitrogen to nitrogen compounds
C
convert proteins into ammonia
D
reduce nitrates to free nitrogen.
Answer
oxidize ammonia to nitrates
Explanation
Solution
Nitrifying bacteria involves the oxidation of ammonia to nitrates through nitrites called nitrification. Nitrite bacteria (Ntirosomoncts and Nitrococcus) convert ammonia to nitrites whereas, nitrate bacteria (Nitrobacter and Nitrocystis) convert nitrite to soluble nitrates.