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In osmosis, it is only water that moves, in the following direction: - from a region of high waterIn osmosis, it is only water that mdirection: -
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In osmosis, it is only water that moves, in the following direction: - from a region of high waterIn osmosis, it is only water that mdirection: - * from a region of high water concentration to a region of lower water concentration * from a more dilute solution to a more concentrated one * from a "weaker" solution to a "stronger" one * from a hypotonic to a hypertonic solution. Plasmolysis - If a plant does not get enough water, then its cells may become PLASMOLYSED due to water leaving the vacuole. When the cell contents peel away from the cell wall the cell membrane becomes visible (under the microscope), and the plant wilts. The principle of osmosis is used in the preservation of food, kept in strong solutions of salt (brine), or sugar (syrup), any bacteria which gain access to the food become plasmolysed as above, and are effectively killed by dehydration! Osmosis is the...
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