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VMMC VMMC Medical Solved Paper-2006

  • question_answer
    Poisons like cyanides inhibit \[N{{a}^{+}}\] effux and \[{{K}^{+}}\] influx. The effect is reversed by injection of ATP indicating that:

    A) \[N{{a}^{+}}\to {{K}^{+}}\] pump operates in all cells

    B) ATP is carrier protein

    C) Energy for \[N{{a}^{+}}-{{K}^{+}}\] pump comes from ATP

    D) ATP is hydrolysed by ATPase to release energy

    Correct Answer: C

    Solution :

    The reversion of effect show that energy for \[N{{a}^{+}}-{{K}^{+}}\] pump comes from ATP.


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