Peptidoglycan structure - PowerPoint PPT Presentation

Bacterial Cell Structure

Bacterial Cell Structure. Dr. Zaheer Ahmed Chaudhary Associate Professor Microbiology Department of Pathology. Classification. Based on shape, arrangement and size. Shape : Cocci (round) Bacilli (rod) Spirochets (spiral shape) Pleomorphic (variable shape)

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The Prokaryotic Cell Wall

The Prokaryotic Cell Wall. Functions of the Cell Wall. Shape provided Protection for osmotic shock (lysis) If water moves in  lysis (in a hypotonic environment) If water moves out  plasmolysis (shriveling) (in a hypertonic environment) Contribute to pathogenicity (e.g. LPS)

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624 views • 23 slides

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