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In this experiment we are going to be studying the affects of Osmosis in Potatoes. Osmosis is the passage of water from a region of high water concentration through a semi-permeable membrane to a region of low water concentration.
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Background In this experiment we are going to be studying the affects of Osmosis in Potatoes. Osmosis is the passage of water from a region of high water concentration through a semi-permeable membrane to a region of low water concentration. A semi-permeable membrane is a very a very thin layer of material, cell membranes are semi-permeable. These will allow some things to pass through, but will prevent other things from passing through. For example, cell membranes will allow small molecules such as Oxygen, water, Carbon Dioxide, Ammonia, Glucose, amino acids, etc. to pass through. But they will not allow larger molecules such as Sucrose, Starch, and protein, etc. to pass through. A region of high concentration of water is either a very dilute solution of, for example, sucrose, or Pure Water. In each case there is a lot of water: there is a high concentration of water....
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