Question

    Which element is structural part of hemoglobin of our

    blood ?
    A Copper Correct Answer Incorrect Answer
    B Calcium Correct Answer Incorrect Answer
    C Iron Correct Answer Incorrect Answer
    D None of these Correct Answer Incorrect Answer

    Solution

    All hemoglobins carry the same prosthetic heme group iron protoporphyrin IX associated with a polypeptide chain of 141 (alpha) and 146 (beta) amino acid residues.

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