Cell WallCell wall is non.living and outer rigid covering of cells. It give protection to the cell against invaders and also give support to cell. Cell wall is present in all living organism like bacteria,viruses and fungi.
Primary Cell WallThis cell wall is composed of cellulose material and known as primary cell wall.
Middle WallMiddle is also present between primary and secondary cell wall. It is embedded in primary wall and not easy to differentiate between them.
Secondary Cell WallSecondary cell wall is composed of lignin, chitn and some other compounds.
Composition of Organism Cell Wall
Plant Cell WallCell wall of plants is composed of cellulose.
Bacteria Cell WallCell wall of bacteria is composed of peptydoglyogen.
Fungi Cell WallCell wall of fungi is composed of chitin.
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