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Osmosis and Diffusion

Terms : Hide Images
10199065Diffusionthe random movement of molecules from an area of higher concentration of those molecules to an area of lower concentration
10199066Osmosisa special case of diffusion where water diffuses through a selectively permeable membrane from a region of higher water potential to a region of lower water potential
10199067Permeable Membranea membrane that allows for diffusion of certain solutes and water
10199068Active Transportuses energy from ATP to move substances throguh the cell membrane against a concentration gradient, from regions of low to higher concentrations
10199069Isotonicwhen two solutions have the same concentrations of solutes
10199070Hypertonica solution with more solute
10199071Hypotonicsolution with less solute
10199306Water Potentialmeasure of free energy of water in a solution

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