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   What is the function of 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, the cell wall is composed mainly of strong fibers of the carbohydrate polymer cellulose. Cellulose is the major component of cotton fiber and wood, and it is used in paper production.

   The Structure and Function of a Cell Wall - ThoughtCo

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   Why are cell walls important in multicellular organisms?

   • In multicellular organisms, they permit the organism to build and hold a definite shape. Cell walls also limit the entry of large molecules that may be toxic to the cell. They further permit the creation of stable osmotic environments by preventing osmotic lysis and helping to retain water.

   Cell wall - Wikipedia

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   How does the cell wall maintain the shape of a cell?

   • Proteins, cellulose fibers, polysaccharides and other structural components help the wall maintain the shape of the cell. The cell wall also plays an important role in transport. Since the wall is a semi-permeable membrane, it allows certain substances to pass through, such as proteins.

   Cell Wall: Definition, Structure & Function (with Diagram)

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2. biologydictionary.net › cell-wallCell Wall - Definition, Function & Structure - Biology Dictionary

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   Apr 27, 2017 · The cell wall provides strength and structural support to the cell, and can control to some extent what types and concentrations of molecules enter and leave the cell. The materials that make up the cell wall differ depending on the type of organism.

3. www.thoughtco.com › cell-wall-373613The Structure and Function of a Cell Wall - ThoughtCo

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   Jul 29, 2024 · The cell wall is an outer protective membrane in many cells including plants, fungi, algae, and bacteria. Animal cells do not have a cell wall. The main functions of the cell wall are to provide structure, support, and protection for the cell. The cell wall in plants is composed mainly of cellulose and contains three layers in many plants.

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4. www.sciencefacts.net › cell-wallCell Wall: Definition, Structure, & Functions with Diagram

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   Jul 16, 2020 · The cell wall performs many important purposes in a cell, including protection, structure, and support. The cell wall was discovered by Robert Hooke in 1665, while its name came from the Latin word ‘cella’, meaning a ‘small room’.

5. sciencing.com › cell-wall-definition-structureCell Wall: Definition, Structure & Function (with Diagram)

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   Mar 15, 2019 · A cell wall provides an additional layer of protection on top of the cell membrane. It is found in plants, algae, fungi, prokaryotes and eukaryotes. The cell wall makes plants rigid and less flexible. It is primarily made up of carbohydrates like pectin, cellulose and hemicellulose.

6. www.britannica.com › science › cell-wall-plant-anatomyCell wall | Description, Properties, Components, & Communication

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   Sep 21, 2024 · Cell wall, specialized form of extracellular matrix that surrounds every cell of a plant. The cell wall distinguishes plant cells from animal cells and provides physical support and protection. Learn about the functions and chemical components of plant cell walls.

7. biologyquest.com › cell-wallCell Wall: Definition, Structure, Compositions, And Functions

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   Apr 17, 2024 · In plant cells, the cell wall is a complex and dynamic structure composed primarily of polysaccharides like cellulose, hemicellulose, and pectin. It provides structural support, and protection, and facilitates communication and transport between cells.

8. en.wikipedia.org › wiki › Cell_wallCell wall - Wikipedia

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   A cell wall is a structural layer that surrounds some cell types, found immediately outside the cell membrane. It can be tough, flexible, and sometimes rigid. Primarily, it provides the cell with structural support, shape, protection, and functions as a selective barrier. [1]