Question:
Enzyme first used for nitrogen fixation
Enzyme first used for nitrogen fixation
Updated On: Jun 23, 2024
- Nitrogenase
- Nitroreductase
- Transferase
- Transaminase
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The Correct Option is A
Solution and Explanation
Nitrogenase is the enzyme complex responsible for catalyzing the conversion of atmospheric nitrogen gas (N2) into ammonia (NH3) during nitrogen fixation, making nitrogen available to plants and other organisms.
So, the correct option is (A): Nitrogenase
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Concepts Used:
Metabolism of Nitrogen
Nitrogen Cycle
The central part of nitrogen metabolism is the Nitrogen Cycle. A nitrogen molecule is made of two nitrogen atoms held together by a solid triple covalent bond (N ≡ N). There are three central pools of nitrogen – atmosphere, soil, and biomass.
Atmospheric Pool
The process of converting atmospheric nitrogen (N2) to ammonia (NH3) is called nitrogen fixation. Atmospheric nitrogen is rooted in three ways – biological, electrical, and industrial.
Soil Pool
The above processes rooted atmospheric nitrogen into the soil. This nitrogen is then taken up by plants and animals, accordingly.
Biomass Pool
When plants and animals die, the organic nitrogen within them has degraded to ammonia the process is ‘Ammonification‘ and it returns nitrogen back to the soil.