NEET Biology question
Not in NEET syllabus
Pick the correct set of statements for the given account of nitrogen (N2) fixation. I. Nitrogenase catalyses the reaction II. The formation of ammonia is a reductive process III. One molecule of nitrogen produces two molecules of ammonia IV. Nitrate reductase catalyses the reaction V. Formation of ammonia is an oxidative process VI. One molecule of nitrogen produces one molecule of ammonia Which is the correct option?
Solution
Biological nitrogen fixation is catalysed by nitrogenase (I, true), the conversion of N2 to NH3 is a reductive process (electrons and protons are added to nitrogen, II, true), and the balanced reaction (N2 + 8eā + 8H+ + 16ATP ā 2NH3 + H2 + 16ADP +
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