Darwing of a cell mmebraneCell mebmrane is a thin flexilbe brarier aorund cells of orgainsms. This conrtols the chmeicals enetring and leavnig the cell. It is made up of a thin film claled the lipid bilyaer. The lipid bliayer is two lipid moelcules with polar heads and nopnolar tails faicng away from each other. This prevnets large molecules from enteirng, but still allows the small molceule of water to enter.
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