What is denitrification? A) conversion of nitrate or nitrite to N₂ by anaerobic respirers B) oxidation of NH₄⁺ to nitrate or nitrite by lithotrophs C) conversion of N₂to NH₄⁺ D) all of the above E) none of the above

Question

Quizplus · Accepted Answer

Denitrification is the process of converting nitrate or nitrite to nitrogen gas (N2) by anaerobic respirers, such as denitrifying bacteria. Option A describes this process accurately. Option B describes nitrification, the process of converting ammonia to nitrite and then to nitrate. Option C describes the opposite of denitrification - the conversion of nitrogen gas to ammonia. Therefore, option A is the best choice.

What Is Denitrification