CELL WALL cell organelles

  • Cell Wall- a rigid layer of polysaccharides lying outside the plasma membrane of the cells of plants, fungi, and bacteria. In the algae and higher plants, it consists mainly of cellulose.
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.

Turgor Pressure- pushes the plasma membrane against the cell wall of plant, bacterial, and fungal cells as well as those protist cells which have cell walls.

  • Located outside the cell membrane.
  • The bricks covering the outer layer of the school represents the cell well, because it protects the school.

http://www.nature.com/scitable/topicpage/plant-cells-chloroplasts-and-cell-walls-14053956

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