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Bacterial Cell Structure

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  • 1. Bacterial Cell Structure
  • 2.  
  • 3. Prokaryotae (Bacteria)
    • 0.2 – 2.0 µm in diameter.
    • Single celled micro-organisms
    • No membrane bound organelles or functional cytoplasmic units such as centrioles
  • 4. Prokaryotae (Bacteria)
    • A gelatinous capsule , or glycocalyx , formed from polysaccharides, polypeptides or both, surrounds a cell wall .
    • Motile bacteria have a flagellum
  • 5.  
  • 6. Prokaryotae (Bacteria)
    • Additional thread like projections called pili assist in the adhesion of two bacteria and the exchange of genetic material.
  • 7. Prokaryotae (Bacteria)
    • Bacterial DNA found in two locations; in the circular chromosome which may be attached to the cell membrane by the mesosome , and in the much smaller unattached circular plasmids .
  • 8. Prokaryotae (Bacteria)
    • Ribosomes and inclusion granules may be found throughout the cytoplasm.

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