Question

What is the most important function of cell membrane?

Answer 1

Cell membrane:

1. It is a biological membrane that separates inside and outside of the cells.
2. It is formed of a lipid bilayer that is sandwiched between the protein layers.
3. The cell membrane is also called the plasma membrane.

Functions:

1. It protects the cell from the external surroundings.
2. It is semi-permeable and hence allows selective entry and exit of metabolites into the cell.
3. It maintains cell integrity.
4. It provides definite shape and rigidity
5. It acts as a barrier for several molecules to allow the cell.
6. It takes food and excretes waste products.