Cell wall absent in

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General Knowledge on Cell Wall | Cell Biology | cell-biology

Cell wall absent in

The cell wall is absent in all the members of kingdom Animalia. In animals, cell wall is not present as a result the outer layer of skin is thicker than plants(epidermal layer). Therefore Animals can survive such extreme condition. Also animals have certain mechanism such development of Osteocyte cells which helps the animals to exist without Cell wall.

Cell walls serve two main purposes: protection and the maintenance of turgor. While some single-celled bacteria and protists do have cell walls for protection, plants and fungi are the only multicellular organisms with cell walls. Animal cells could use the protection offered by cell walls, but they would not require the ability to maintain hypoosmotic conditions. They do not need the extra water for growth or photosynthesis. Cell walls would also limit muscle movements and general mobility.

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