Question

what is the main function of the cell wall

Answer 1

It helps in the shift of diverse substances in and out of the plant cell.

Answer 2

The cell wall is a rigid structure that helps the cell maintain shape. It provides mechanical strength so the organism can grow tall with out collapsing. The main ingredient of the cell is polysaccharide(complex sugar) called cellulose. The cellulose assembles into chains known as microfiberils that give the cell wall its strength. There are also a variety of proteins and lipids(such as wax) which are present as well.