NEET Biology question

Not in NEET syllabus

Which of the following is true regarding the nitrogenase enzyme?

(A)It is highly sensitive to oxygen and requires an anaerobic/micro-aerophilic environment to functionCorrect
(B)It functions optimally in high-oxygen environments
(C)It is found only in plant cells
(D)It has no role in nitrogen fixation

Answer: (A)

Solution

Nitrogenase is extremely oxygen-sensitive and is inactivated by oxygen, which is why nitrogen-fixing systems (e.g., root nodules with

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Question ID VK-124755