Denitrification results in release of which gas?

Prepare for the Aquaculture Technician Certification Test. Study with flashcards and multiple choice questions, each question offering hints and explanations to ensure you are ready for your exam!

Multiple Choice

Denitrification results in release of which gas?

Explanation:
Denitrification is the microbial reduction of nitrate to nitrogen gas under anaerobic conditions. In this step of the nitrogen cycle, bacteria use nitrate as the terminal electron acceptor, passing through intermediates like nitrite, nitric oxide, and nitrous oxide before ending as nitrogen gas that escapes to the atmosphere. Oxygen isn’t produced in this process; it’s used up in aerobic respiration, and carbon dioxide is produced by other metabolic pathways. The gas released in denitrification is nitrogen gas (N2).

Denitrification is the microbial reduction of nitrate to nitrogen gas under anaerobic conditions. In this step of the nitrogen cycle, bacteria use nitrate as the terminal electron acceptor, passing through intermediates like nitrite, nitric oxide, and nitrous oxide before ending as nitrogen gas that escapes to the atmosphere. Oxygen isn’t produced in this process; it’s used up in aerobic respiration, and carbon dioxide is produced by other metabolic pathways. The gas released in denitrification is nitrogen gas (N2).

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