Immerse a human red blood cell in a hypotonic solution, and water . a. diffuses into the cell b.

step 1 Hello everyone. Today we're going to talk about how tonicity actually affects animal cells. So h

Immerse a human red blood cell in a hypotonic solution, and...

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Key Concepts

Osmosis

Osmosis is the passive movement of water molecules across a selectively permeable membrane from a region of lower solute concentration to a region of higher solute concentration. It is a fundamental process in biology that helps maintain cellular homeostasis and is driven by differences in water potential.

Hypotonic Solution

A hypotonic solution is one where the concentration of solutes is lower outside the cell than inside it. In such an environment, water tends to enter the cell by osmosis, which may cause the cell to swell due to the increased internal water content.

Cell Membrane Permeability

Cell membranes are made of lipid bilayers that are selectively permeable, meaning they allow certain molecules, like water, to cross more freely while restricting others. This selective permeability is crucial for processes such as osmosis, where the movement of water in response to solute concentration differences is regulated.

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