The following is a characteristic of a plasma membrane:

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    It separates the cell contents from its environment.
    It is permeable to certain substances.
    It is a lipid bilayer with embedded proteins.
    It contains pumps for moving molecules against their concentration gradient.
    all of the above

asked May 30, 2013 in Biology by anonymous
    

1 Answer

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all of the above
answered May 31, 2013 by Bioshare ~Top Expert~ (34,070 points)



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