Prokaryote Structure

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•  Drawing of the ultrastructure of prokaryotic cells based on electron micrographs

Prokaryotic Cell  (click to label)

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Key Features:

  • Pili – shown as single lines
  • Flagella – shown as thicker and significantly longer lines than the pili
  • Ribosomes – labelled as 70S
  • Cell wall – labelled as being composed of peptidoglycan; thicker than cell membrane
  • Shape – appropriate for bacteria chosen (e.g. E. coli is a rod-shaped bacillus)
  • Size – appropriate dimensions (e.g. length of cell twice the width)