The nutrient with a key role in biological N-fixation is
A. N
B. P
C. Cl
D. Mo
Answer: Option D
Solution(By Examveda Team)
The nutrient with a key role in biological N-fixation is Molybdenum.Nitrogen fixation is a chemical process by which molecular nitrogen (N2), with a strong triple covalent bond, in the air is converted into ammonia (NH3) or related nitrogenous compounds.
The conversion of N2 into ammonia occurs at a metal cluster called FeMoco, an abbreviation for the iron-molybdenum cofactor. Molybdenum-dependent nitrogenase is the most commonly present nitrogenase.
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B. Cyanobacteria
C. Purple nonsulphur bacteria
D. Green sulphur bacteria
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