List out the function of cell wall.

Explanation

The cell wall plays a vital role in holding several important functions given below.
1. Offers definite shape and rigidity to the cell.
2. Serves as barrier for several molecules to enter the cells.
3. Provides protection to the internal protoplasm against mechanical injury.
4. Prevents the bursting of cells by maintaining the oscmotic pressure.
5. Plays a major role by acting as a mechanism of defense for the cells.