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Prokaryote Cell Structures

Prokaryote Cell Structures. Taxonomy vs. structure Size and shapes Structures and functions – inside out Flagella and pili Glycocalx Cell Wall Cytoplasmic membrane Cytoplasm Nucleoid Specialized structures internal structures. Taxa and structures. Sizes and Shapes. Overview.

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Prokaryote Cell Structures

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  1. Prokaryote Cell Structures Taxonomy vs. structure Size and shapes Structures and functions – inside out Flagella and pili Glycocalx Cell Wall Cytoplasmic membrane Cytoplasm Nucleoid Specialized structures internal structures

  2. Taxa and structures

  3. Sizes and Shapes

  4. Overview

  5. Flagella • Monotrichous • Lophotrichous • Amphitrichous • Peritrichous

  6. A flagellum

  7. Flagellum from textbook

  8. Chemotaxis

  9. Pili: structure/function • Synonymous with fimbrae, fibril, filament • Structures are something of a mystery still • Function? Media attachment, one way or other • To surfaces • To other cells – animal or microbial • Often lost upon culturing in broth

  10. Glycocalx • S-layer • Capsule/slime layer • Functions: • Stealth • Hydration • Nutrients • Attachment

  11. Cell Wall Functions Protection Transport Many more if you include the periplasmic space Cell Wall Varieties

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