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This rigid structure of prokaryotes contains peptidoglycan giving the cell shape and surrounding the cytoplasmic membrane. The cell wall provides the cell with protection from environment. http://microbiology.suite101.com/article.cfm/prokaryotic_cells A cell wall is a tough, flexible and sometimes fairly rigid layer surrounding a cell, located external to the cell membrane, which provides the cell with structural support, protection, and acts as a filtering mechanism. http://en.wikipedia.org/wiki/Cell_wall

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16y ago

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