JCECE Medical JCECE Medical Solved Paper-2010

  • question_answer
    Ions that must be present for binding the cross bridges is

    A) \[N{{a}^{+}}\]

    B)  \[C{{a}^{2+}}\]

    C)  \[{{K}^{+}}\]

    D)  \[M{{g}^{+}}\]

    Correct Answer: B

    Solution :

     Actinomyosin complex is formed when actin and myosin proteins are mixed in the presence of \[\text{C}{{\text{a}}^{2+}}\]ions and when these ions removed, the actin and myosin dissociate. This process takes place during muscle contraction.


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