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An investigation Into Osmosis
Member rating: No Rating | Words: | Submitted: Thu Jul 11 2002
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An investigation Into Osmosis Some Information Osmosis is a special type of diffusion. Where water diffuses through a semi permeable membrane, which has different concentrations on either side. Permeable means "allows anything to pass through". Membranes in cells allow small molecules (water) to pass through, but prevent bigger ones from passing. This is called "selectively permeable". If a selectively permeable membrane separates two solutions, water moves through it in both directions at the same time. However, more water leaves a dilute solution (high water concentration) and passes into a more concentrated solution (low water concentration) than enters it. Although the water appears to move across the membrane in one direction, it is in fact moving in both directions but more one way than the other. When the concentration of water is the same on both sides of the membrane, the movement of water will be the same in both directions. At this point,...
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