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What is Cell Membrane about?
The cell membrane is a semi-permeable barrier that regulates the flow of materials in and out of the cell, composed of phospholipids, proteins, carbohydrates, and cholesterol. It operates under the Fluid Mosaic Model, allowing small nonpolar molecules to diffuse easily while larger or polar molecules require transport proteins. Transport mechanisms include passive transport (diffusion, osmosis, facilitated diffusion) and active transport, as well as endocytosis and exocytosis for large molecules.
- Author
- ysabellebianca075
- Language
- EN