AMU Medical AMU Solved Paper-1999

  • question_answer
    The thickness of cell membranes varies between 6-9

    A)  millimeters       

    B)  micrometers

    C)  nanometers       

    D)  picometers

    Correct Answer: C

    Solution :

    : The plasma membrane has thickness of 75\[A{}^\circ (10A{}^\circ =1nm)\]. It appears trilaminar (three layered). The two dark parallel layers are\[20\text{ }A{}^\circ \] thick each and made up of proteins. The middle light layer (lipid) in tripartite organization is\[\text{35 }A{}^\circ \]thick and remains saridwitched between protein layers.


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