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NEET NEET SOLVED PAPER 2016 Phase-II

  • question_answer
    Name the ion responsible for unmasking of active sites for myosin for cross-bridge activity during muscle contraction.

    A)  Calcium

    B)  Magnesium

    C)  Sodium

    D)  Potassium

    Correct Answer: A

    Solution :

    Calcium ions bind with T p C unit of troponin which is responsible for unmasking of active sites for myosin for cross bridge activity during muscles contraction.


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