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OSMOSIS OSMOSIS: The diffusion of water through a selectively permeable membrane SELECTIVELY PERMEABLE: some substances pass like water and others do.

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Presentation on theme: "OSMOSIS OSMOSIS: The diffusion of water through a selectively permeable membrane SELECTIVELY PERMEABLE: some substances pass like water and others do."— Presentation transcript:

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2 OSMOSIS OSMOSIS: The diffusion of water through a selectively permeable membrane SELECTIVELY PERMEABLE: some substances pass like water and others do not

3 OSMOSIS 3 TYPES OF SOLUTIONS: ISOTONIC: Solutions on each side of semi- permeable membrane are equal or same strength H 2 O in → Animal Cell H 2 O out →

4 OSMOSIS HYPERTONIC: Above strength with cells the solution has higher solute concentration than the cell Animal Cell H 2 O out →

5 OSMOSIS HYPOTONIC: Below strength With cells the solution has a lower solute concentration than the cell H 2 O in → Animal Cell

6 OSMOSIS OSMOTIC PRESSURE: Force exerted on hypertonic side of semi-permeable membrane

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