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Explain Cell Wall.
Cell Wall is found in plant cells outside the plasma membrane. It is a rigid covering made up of cellulose which a complex substance. The cell wall provides structural support to the plants.
It is a structural layer surrounding some types of cells, outside the cell membrane. It can be tough, flexible, and sometimes rigid. It provides structural support and protection, and also acts as a filtering mechanism. In bacteria, the cell wall is composed of substance peptidoglycan.
The cell wall is found in most plant cells, fungi, bacteria, algae, and some archaea. Animal cells, however, do not have a cell wall. The cell wall has many important functions in a cell including protection, structure, and support.
Cell wall composition varies depending on the organism. In plants, it is composed mainly of strong fibres made of the carbohydrate polymer cellulose. Cellulose is the major component of cotton fibre and wood, and it is used in paper production. Bacterial cell walls are composed of sugar and an amino acid polymer called peptidoglycan. The main components of fungal cell walls are chitin, glucans, and proteins.
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