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Question: Answered & Verified by Expert
Leg-haemoglobin is found in the nodules in roots of leguminous plants. It acts as .......... scavenger and provides............ conditions for the action of nitrogenase enzyme.
BiologyMineral NutritionNEET
Options:
  • A Oxygen, Aerobic
  • B Oxygen, Anaerobic
  • C CO2, Aerobic
  • D CO2 , Anaerobic.
Solution:
2703 Upvotes Verified Answer
The correct answer is: Oxygen, Anaerobic
Enzyme nitrogenase: It is a Mo–Fe protein. It requires anaerobic conditions to work. It is highly sensitive to molecular oxygen. It catalyzes the conversion of atmospheric nitrogen to ammonia. Ammonia is the first stable product of nitrogen fixation.

N+ 8e+ 8H+ 16ATP → 2NH+ H+ 16ADP + 16Pi

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