Question

Give the reactions catalysed by nitrogenase in vivo.

03 Feb 2026
Answer :
Word Count : 270
Nitrogenase is a key enzyme complex responsible for biological nitrogen fixation in vivo, converting atmospheric nitrogen into ammonia, which can be utilized by plants for biosynthesis of amino acids, nucleotides, and other nitrogenous compounds. The enzyme consists of two main components, the Fe-protein and the MoFe-protein, and requires ATP and a source of electrons such as reduced ferredoxin or flavodoxin. The primary reaction catalysed by nitrogenase is the reduction of
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