The first stable product of fixation of atmos | vedclass

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(D) The correct answer is $(d)$. The enzyme nitrogenase is a $Mo-Fe$ protein that catalyzes the conversion of atmospheric nitrogen $(N_2)$ into ammoni

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ammonia

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(D) The correct answer is $(d)$. The enzyme nitrogenase is a $Mo-Fe$ protein that catalyzes the conversion of atmospheric nitrogen $(N_2)$ into ammonia $(NH_3)$,which is the first stable product of biological nitrogen fixation.Nitrogen fixation is the process of converting inert atmospheric dinitrogen $(N_2)$ into usable nitrogenous compounds like ammonia,amino acids,etc.Biological nitrogen fixation is carried out by both free-living and symbiotic microorganisms.In leguminous plants,symbiotic nitrogen-fixing bacteria (like $Rhizobium$) reside in root nodules.These nodules provide the necessary environment,including the enzyme nitrogenase and the oxygen-scavenging pigment leghaemoglobin,to facilitate the reduction of $N_2$ to ammonia.

The first stable product of fixation of atmospheric nitrogen in leguminous plants is

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