Biology, 21.09.2019 23:10, kkingstone7062

Which phrase is the best definition of diffusion? the transport of particles up a concentration gradient the movement of particles from a region of high concentration the movement through a cell membrane using atp the movement of particles from a region of low concentration to a region of high concentration

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Which phrase is the **best** definition of *diffusion*? the transport of particles up a concentrati...