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Unformatted text preview: Diffusion of water molecules across a semi permeable membrane Facts: 60% of adults consist of water and 70% of kids consist of water Most cell membranes have small transmembrane proteins which create channels called Aquaporins Osmotic pressure: Amount of pressure used to create equilibrium. Animal cells Terrestrial animals (like humans) 3 compartments: heart and blood vessels=8% of water content interior of cells=67% of water content spaces between cells and blood vessels=25% of water content Plant cells Like to be hypotonic Cell wall holds/controls water Cell wall is permeable to everything, but keeps cell from blowing up...
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This note was uploaded on 03/15/2008 for the course BIOL 1020 taught by Professor Dute during the Fall '06 term at Auburn University.
- Fall '06