Enzyme nitrogenase is responsible for

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(B) The fixation of atmospheric nitrogen into ammonia in the root nodules of leguminous plants is catalyzed by the enzyme complex known as 'nitrogenas

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Nitrogen fixation

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(B) The fixation of atmospheric nitrogen into ammonia in the root nodules of leguminous plants is catalyzed by the enzyme complex known as 'nitrogenase'.This enzyme is a molybdenum-iron protein complex consisting of two components: $protein-1$ (dinitrogenase) and $protein-2$ (dinitrogenase reductase).The active nitrogenase complex functions effectively in the presence of these two components,typically in a specific ratio,to convert $N_2$ into $NH_3$.

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