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Piasma mebrne is permeable to water. How...

Piasma mebrne is permeable to water. How does a cell show endosmosis or exosmosis ?

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Water passes through the plasma membrane both inwardly as well as outwardly. Net movement occurs along its concentration gradient, from the side of pure water or dilute solutio (hypotonic solution) will show endosmosis because the external solutio has higher concentration of water. A cell placed in hypertonic solution (i.e., concentrated solution) will show exosmosis because cell sap has higher concentration of water.
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