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Diffusion and Osmosis Flashcards

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7th grade
diffusion and osmosis terms

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594166605DiffusionThe movement of molecules from an area of greater concentration to an area of lower concentration.1
594166606OsmosisThe movement of water across a semi-permeadble membrane through diffusion.2
594166607Active TransportThe movement of molecules from an area of lower concentration to an area of higher concentration (requiring energy).3
594166608A cell is always trying to reach...equilibrium4
594166609Selectively Permeable MembraneA membrane that allows certain molecules to pass through it by diffusion5
594166610EndocytosisThe intake of matreials through membrane sacs.6
594166611ExocytosisThe export of materials using membrane sacs.7
594166612Passive TransportThe movement of particles from an area of high concentration to an area of low concentration; does not require energy8
594166613EquilibriumThe condition of a system in which competing influences are balanced; all particles become equal9
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