MCAT Question of the Day
    •

    Q:

    		 The useful property of plasma membranes, which allows them to create relatively impermeable layers, is facilitated by the fact that the phospholipids are
    		 

    A

    		 nonpolar

    B

    		 zwitterionic

    C

    		 amphoteric

    D

    		 amphipathic



    Membrane Transport and Signalling |
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