Introduction to Bacteria 2 types of bacteria



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Bacteria ppt

Amimation of E.coli

Pilli

7 Major Structures of a Bacteria Cell


  • hollow hair-like structures made of protein
  • allows bacteria to attach to other cells.
  • Pilli-singular
  • Pillus-plural

Cytoplasm

7 Major Structures of a Bacteria Cell



Reproduction of Bacteria

How?...


The one main (circular) chromosome makes a copy of itself

Then it divides into two



BINARY FISSION

Bacteria dividing

Completed

Reproduction of Bacteria

  • The time of reproduction depends on how desirable the conditions are
  • Bacteria can rapidly reproduce themselves in warm, dark, and moist conditions
  • Some can reproduce every 20 minutes

  • (one bacteria could be an ancestor to one million bacteria in six hours)




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