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8 terms

7.3

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diffusion
the act of dispersing or diffusing something
facilitated diffusion
movement of specific molecules across cell membranes through protein channels
aquaporins
Water channel proteins that allow water to pass right through them
osmosis
diffusion of water through a selectively permeable membrane
isotonic
equal concentration
hypertonic
when comparing two solutions, the solution with the greater concentration of solutes
hypotonic
(of a solution) having a lower osmotic pressure than a comparison solution
osmotic pressure
pressure that must be applied to prevent osmotic movement across a selectively permeable membrane