NEET 2001 Biology question

Not in NEET syllabus

Enzyme first used for nitrogen fixation : -

(1)NitrogenaseCorrect
(2)Nitroreductase
(3)Transferase
(4)Transaminase

Answer: (1)

Solution

Biological nitrogen fixation, the reduction of atmospheric N2 to ammonia (N2 + 8e- + 8H+ + 16 ATP gives 2 NH3 + H2), is carried out by the nitrogenase enzyme complex (a Mo-Fe protein and an Fe protein) of Rhizobium,

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Question ID VK-088889