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Investigate the effect of different concentrations of salt solution on potato cells.
Member rating: No Rating | Words: | Submitted: Mon Feb 09 2004
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Plan Problem To investigate the effect of different concentrations of salt solution on potato cells Hypothesis Osmosis is the diffusion of water from a dilute to a more concentrated solution through a selectivley permiable membrane. A selectivley permiable membrane is a thin layer which is found underneath the cellulose wall in plant cells, or on the outer edge of animal cells. This membrane contains tiny holes whih allow passage of smaller molecules but not larger ones, in this case, the small water molecules can pass through whearas the larger salt molecules cannot. When potato cells are immersed in salt solution, there will be less water per cubic centimetre outside the cells than inside. This difference in the concentration of water will result in a net diffusion of water out of the potato cells into the salt solution. This net movemet of water out of the potato cells will cause them to lose weight and...
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