what is nitrogen fixation ? Describe the molecular mechanism of biological nitrogen fixation.
what is nitrogen fixation ? Describe the molecular mechanism of biological nitrogen fixation.
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Answer:
Biological nitrogen fixation (BNF) occurs when atmospheric nitrogen is converted to ammonia by an enzyme called nitrogenase. The reaction for BNF is: N2 + 8 H+ + 8 e− → 2 NH3 + H2. This type of reaction results in N2 gaining electrons (see above equation) and is thus termed a reduction reaction.