When will a cell swell up? - ProProfs Discuss
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When will a cell swell up?



A. The concentration of water molecules in the cell is higher than the concentration of water molecules in the surrounding medium
B. The concentration of water molecules in the surrounding medium is higher than the concentration of water molecules in the cell
C. The concentration of water molecules is same in the cell and in the surrounding medium
D. The concentration of water molecules does not matter

This question is part of The Fundamental Unit of Life: Cell
Asked by Wyatt Williams, Last updated: Mar 29, 2020

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3 Answers

S.Sophie

S.Sophie

Answered Feb 19, 2020

The correct answer is option B A cell will swell up if the concentration of water molecules in the surrounding medium is higher than the concentration of water molecules in the cell. The term that describes this event is called osmosis. Osmosis refers to the net movement of solvent molecules, which is mostly water from a region of lower solute concentration (i.e., higher solvent) to a region of higher solute concentration through a partially permeable membrane.

Option A is incorrect because if the concentration of water molecules in the cell is higher than the concentration of water molecules in the surrounding medium, the cell will shrink and not swell. If the concentration of water molecules is the same as the cell, the cell will neither shrink nor swell.

 

John Adney

John Adney

Answered May 09, 2017

The cocentration of water molecules in the surrounding medium is higher than the concentration of water molecules in the cell
 

John Smith

John Smith

Answered Mar 13, 2017

The concentration of water molecules in the surrounding medium is higher than the concentration of water molecules in the cell
 

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