Osmosis can be demonstrated by

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(A) The $Potato$ $osmoscope$ is a classic experimental setup used to demonstrate the process of osmosis. In this experiment,a hollowed-out potato tube

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Potato osmoscope

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(A) The $Potato$ $osmoscope$ is a classic experimental setup used to demonstrate the process of osmosis. In this experiment,a hollowed-out potato tuber is placed in a beaker containing water. $A$ concentrated sugar solution is poured into the hollow cavity of the potato. Over time,the level of the sugar solution inside the cavity rises,which provides visual evidence that water molecules move from a region of higher water potential (outside the potato) to a region of lower water potential (inside the cavity) through the semi-permeable membrane of the potato cells.

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