MCAT Question of the Day
    •

    Q:

    		 Compared to the concentration of cations outside a nerve cell, the concentration of cations inside a nerve cell is different. Which of the following processes best explains this difference?

    		 

    A

    		 Simple diffusion across the membrane

    B

    		 Osmosis of water

    C

    		 Membrane contransporters

    D

    		 Sodium-potassium pumps



    Nervous System | Enzyme Structure and Function |
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