Write about the outermost membrane of plant cell and animal cell.
The outermost membrane in plant cells is the cell wall and in the animal cells is the plasma membrane.
The cell wall is the outermost membrane of the plant cells.
Function - It is rigid and provides tensile strength and protects the cell against mechanical and osmotic stress. It is a permeable membrane that allows the exchange of material in and out of the cell.
Composition - The cell wall is made up of cellulose.
The plasma membrane is the outermost membrane of the animal cells.
Function - It is a flexible membrane that prevents the cell from the external environment. It is a selectively permeable membrane that allows the exchange of substance in and out of the cell.
Composition - The plasma membrane is made up of proteins and lipids.