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Factors Affecting Osmosis In Plant Tissue
Member rating: No Rating | Words: | Submitted: Wed Aug 13 2003
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Factors Affecting Osmosis In Plant Tissue Aim: To observe how concentration affects Osmosis by calculating the difference of length, weight and diameter before and after the experiment. Plan: Osmosis is the transportation of water through a plant membrane. This membrane allows water molecules through but not sugar molecules, as they are larger, this is called a semi-permeable membrane. The sugar molecules are scientifically named solutes as they dissolve in the water, which is the main purpose for osmosis. As the more water that is transported through the semi-permeable membrane the more sugar dissolves, which can then be transported through the plant for photosynthesis to occur. The water also gives support for young plants that would wilt without it. The solute molecules are already in the plant cells but need the water from the surroundings, so the semi-permeable membrane allows transportation from a low to a high concentration. This may seem illogical until a microscopic...
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