MCAT Question of the Day
    •

    Q:

    		 Biologists often view the membrane of a neuron as a capacitor, because it separates charged ions inside and outside the membrane. Which of the following changes to the membrane would allow for increased ability of the membrane to separate charge?
    		 

    A

    		 Longer fatty acid chains in the phospholipid membrane.

    B

    		 Shortening the fatty acid chains in the phospholipid membrane.

    C

    		 Inserting magnesium ion symporters in the membrane.

    D

    		 None of the above



    Membrane Transport and Signalling | Circuits |
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