What is Cell Wall....???
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Answer:
cell wall, noun, , rigid layer of polysaccharides lying outside plasma membrane of cells of plants and bacteria
cell wall, noun, , rigid layer of polysaccharides lying outside plasma membrane of cells of plants and bacteria The cell wall surrounds the plasma membrane of plant cells and provides tensile strength and protection against mechanical and osmotic stress. It also allows cells to develop turgor pressure, which is the pressure of the cell contents against the cell wall.
A cell wall is a structural layer surrounding some types of cells, just outside the cell membrane. It can be tough, flexible, and sometimes rigid. It provides the cell with both structural support and protection, and also acts as a filtering mechanism. ... In bacteria, the cell wall is composed of peptidoglycan.