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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.
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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.
N2 + 8e- + 8H+ + 16ATP → 2NH3 + H2 + 16ADP + 16Pi
N2 + 8e- + 8H+ + 16ATP → 2NH3 + H2 + 16ADP + 16Pi
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