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The enzyme responsible for the reduction of molecular nitrogen to the level of ammonia in leguminous root nodule is

a)

Nitrogenase

b)

Nitrate reductase

c)

Nitrite reductase

d)

hydrogenase


Question ID - 4198 | Toppr Answer

The enzyme responsible for the reduction of molecular nitrogen to the level of ammonia in leguminous root nodule is

a)

Nitrogenase

b)

Nitrate reductase

c)

Nitrite reductase

d)

hydrogenase

1 Answer - 5876 Votes

3537

Answer Key : (a) -

(a)

The enzyme responsible for nitrogen fixation is known as nitrogenase. Nitrogenase enzyme complex consists of two components, i.e., Fe-protein and Mo-Fe protein. The subunits of Fe-protein contain iron-sulphur cluster (4 Fe and 4S) that participates in the redox reactions involved in the conversion of nitrogen to ammonia.



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