Question
Biology Question on Nutrition
Enzyme first used for nitrogen fixation
A
Nitrogenase
B
Nitroreductase
C
Transferase
D
Transaminase
Answer
Nitrogenase
Explanation
Solution
Nitrogenase is the enzyme complex responsible for catalyzing the conversion of atmospheric nitrogen gas (N2) into ammonia (NH3) during nitrogen fixation, making nitrogen available to plants and other organisms. So, the correct option is (A): Nitrogenase