A measure of the total space occupied by the surface
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Card 7
Front
The movement of molecules down their concentration gradient, across a membrane, with the help of carrier proteins
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Card 8
Front
The net movement of water molecules from an area of high water potential to an area of low water potential, down a water potential gradient and across a partially permeable membrane
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Card 9
Front
The contril of water and salt levelsm in the body wgich prevents problems with omosis
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Card 10
Front
The movement of molecules agaisnt a concentration gradient, across a membrane
