AIIMS AIIMS Solved Paper-2011

  • question_answer
    The        percentage of cell surface that is impenetrable for ions is

    A)  1%                        

    B)         99.9%                  

    C)  90%                      

    D)         73%

    Correct Answer: B

    Solution :

    Less that 0.1% of plasma membrane is perforated by pores which allows the ions to pass through.


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