NEET Sample Paper NEET Sample Test Paper-89

  • question_answer
    During \[N{{a}^{+}}-{{K}^{+}}\] pump

    A) \[3N{{a}^{+}}\] and \[2{{K}^{+}}\] are transported

    B) \[1N{{a}^{+}}\] and \[2{{K}^{+}}\] are transported

    C) \[3N{{a}^{+}}\] and \[3{{K}^{+}}\] are transported

    D) Depends on requirement of cell

    Correct Answer: A

    Solution :

    [a] During sodium-potassium pump. The concentration of sodium ions will be about 14 times more in extra cellular fluid (outside) and concentration of potassium ions will be about 28-30 times more in axoplasm (inside). Thus, \[3N{{a}^{+}}\]and \[2{{K}^{+}}\] are transported during the process.


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