Substances are able to cross the lipid bilayer of a cell at different rates that are unique for each substance. Which of the following characteristics would favor the simple diffusion of a substance across a cell membrane?

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    small concentration gradients
    small molecule size
    low lipid solubility
    the number of membrane transport proteins for the substance

asked May 30, 2013 in Biology by anonymous
    

1 Answer

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small molecule size
answered May 31, 2013 by Bioshare ~Top Expert~ (34,070 points)

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