leighashlyn leighashlyn

03-12-2014
Biology

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Can all molecules diffuse through all cell membranes

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deedaralibaloch deedaralibaloch

03-12-2014

no cell membranes are porous, but only to certain sized molecules. suppose a molecule of water diffuse through a cell membrane.the cell membrane will allow 7 atoms in at one entry point (this is just an example)

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