Question

    The element required by Rhizobium for the formation of leghemoglobin which is involved in nitrogen fixation:

    A Manganese Correct Answer Incorrect Answer
    B Copper Correct Answer Incorrect Answer
    C Molybdenum Correct Answer Incorrect Answer
    D Zinc Correct Answer Incorrect Answer

    Solution

    During symbiotic N fixation, Mo acts as a cofactor for nitrogenase enzymes to catalyze the redox reaction to convert elemental N into ammonium (NH4+) ions.

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