Cell membrane
Understand the Problem
The user is asking about the cell membrane. This is a broad topic, but the user likely wants information about its structure, function, or composition.
Answer
The cell membrane separates the interior of the cell from the outside environment.
The cell membrane, also referred to as the plasma membrane, is a biological membrane that surrounds all cells. Its primary function is to separate the interior of the cell from the external environment, providing protection and controlling the movement of substances in and out of the cell.
Answer for screen readers
The cell membrane, also referred to as the plasma membrane, is a biological membrane that surrounds all cells. Its primary function is to separate the interior of the cell from the external environment, providing protection and controlling the movement of substances in and out of the cell.
More Information
The cell membrane is composed primarily of a phospholipid bilayer with embedded proteins. This structure gives the membrane flexibility and allows it to selectively control the passage of molecules.
Tips
A common mistake is thinking the cell membrane is rigid. It's actually quite flexible and dynamic.
Sources
- Cell membrane - Wikipedia - en.wikipedia.org
- Cell Membrane (Plasma Membrane) - genome.gov
- Cell membrane | Definition, Function, & Structure | Britannica - britannica.com
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