Cell wall
Definition
Cell wall is the outermost layer of plant cell which protect inner cell mass from external environment.Presence
Cell wall is present in all bacteria, plants fungi and some protests.Absence
Cell wall is absent in animal cell.Location
Cell wall is located outside the plasma membrane in plant cell.Thickness of cell wall varies From cell to cell.
Primary wall
The outer layer of the plant cell wall is know as secondary wall. It Is made of cellulose.Secondary cell wall
Some plant cell also have secondary walls on the inner side of primary wall.It contain cellulose, liginn,and other chemical's.
Composition of different organism cell wall
Prokaryotic
cell wall is composed of peptidoglycan(murein).Its is single large molecule made of amino acid and suger.
Fungi cell wall
The cell wall.of fungi made of chitin.Protists
The cell wall of protists are made of a variety of chemicals.Function
Its provide shapeIts function is protection the cell from external environment
Cell wall support the inner living matter of cell