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Powerpoints - 34(W3 Capsule Layer = Slime Layer =...

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Unformatted text preview: 34 (W3) Capsule Layer = , Slime Layer = gxopolygaccharide layer . External layer of - Possible Function? polysaccharides completely surrounding cell. 1. Sugars = hydrophIlIc protect against desiccatione - Formation is favored by high (mum C/N, 0/3 or C/ P ratio (signal - 2. Physical barrier to protect , that excess C is available) ’ against phage, phagocytosisf W antibodies (pathogenic) «mm Homopolysaccharide = one 1 sugar residue in polymer _ if»: H t l saccharide _ more - 3. Adhesron Psuedomonas e eropo y _ aeruginosa -- agglutinate 66%) than one sugar residue ' production and subsequent adhesion to teeth, medical implants, rocks, plant roots 7 , ,, g I 5, 0 amt wvéfirwwg (llama. - 4. Reservoir of food (excess C) ...
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