Question : Name the most crucial enzyme found in root nodules for N_2- fixation? Does it require a special pink coloured pigment for its functioning? Elaborate.

Question : Name the most crucial enzyme found in root nodules for N_2-

1.	Question : Name the most crucial enzyme found in root nodules for N_2- fixation? Does it require a special pink coloured pigment for its functioning? Elaborate.
Answer» Solution :Nitrogenase is the most required ENZYME in root nodules. It is necessary for `N_2` fixation. It is a protein possessing Mo-Fe, It converts atmospheric nitrogen into Ammonia. Pink pigment is LEGHAEMOGLOBIN. It creates anaerobic condition for FUNCTIONING of nitrogenase enzyme.