Plasmolysis

If a vacuolated plant cell is placed in hypertonic solution of the sucrose, with concentration greater than that of the cell sap, the water will diffuse out of the cell because the osmotic potential (Ψπ) of the solution is lower than that of the sap. The cell gradually decreases in volume until its cytoplasm is pulled away from the wall. The wall remains in position because it is rigid.

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