In the process of nitrogen fixation,how nitrogenase is insesitive to oxygen?

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Solution

Nitrogenase enzyme contain iron & sulphur co factors which get oxidized in the presence of oxygen thereby affecting the activity of the enzyme. That’s why Nitrogenase is always kept protected from oxygen.

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During biological nitrogen fixation, inactivation of nitrogenase by oxygen poisoning is prevented by:

Question 7
Choose the correct statement with respect to nitrogen fixation:

Statement 1: Nitrogen fixation process is involved in converting nitrogen gas into nitrogenous compounds.

Statement 2: Root nodules of the non-leguminous plants help in the process of nitrogen fixation.

Identify which of the following option will play a vital role in the activation of nitrogenase enzyme in nitrogen fixation?

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