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Hello everyone.
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Today we have been to study about the movement of water molecule or exchange of water between the cell and extra cellular environment in accordance with the tonicity of the cell and environment.
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So first of all, we have a condition in which a cell is present in hypotonic solution.
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Hypo means less tonicity means concentration of solute.
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Now, a cell is present in an environment where there is less solute and higher amount of solvent.
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In other words, it is a hypotonic solution.
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Let's draw here.
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Here is a cell.
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Here is the environment with water and sorts.
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Now, since this environment is a very environment is a very.
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Hypotonic.
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It means it has less amount of salt and greater amount of water as compared to the tonicity of cellular internal environment.
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So in order to maintain the osmotic balance, what will happen here? the water will eventually move into the cell unless the environment of both become isotonic.
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So in the case of hypotonic solution, what will happen? water will move through osmosis into cell.
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Now, if the cell is placed in a hypertonic solution...