Osmosis and diffusion are the same except that in osmosis there is
A. a freely permeable membrane
B. a cell wall in between
C. a selectively permeable membrane in between
D. an endless inflow of water into a cell
Diffusion is the free movement of molecules of a substance from their region of higher concentration to their region of lower concentration when the two are in a direct contact but in case of osmosis the same movement occurs but the two are separated by a semi-permeable membrane.
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