The cell membrane is made of lipids, carbohydrates and proteins.
What is cell membrane?
- Cell membrane is the outer layer of cell separating interior of the cell to outer surface.
- It is semipermeable membrane that allows only specific molecules to pass through them.
- It provides shape and protection the cell.
- It is made up of phospholipid bilayer arranged in such a way that it has hydrophobic tail and hydrophilic (attracted to water molecules) head.
- There are also proteins embedded in phospholipid bilayer.
- Carbohydrates are also attached either to the embedded proteins or polar region of phospholipid layer.
Hence, the correct answers are: proteins, carbohydrates and lipids.
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