Which of the following processes uses a difference in concentration (or concentration gradient) to transport molecules across the cell membrane?

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    facilitated diffusion
    osmosis
    simple diffusion
    all of the above
asked May 30, 2013 in Biology by anonymous
    

1 Answer

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



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