Biology- prokaryotes, eukaryotes & bacterial cells



  • Small cells, less than 2 micrometers
  • Circular DNA 
  • No nucleus (free in the cytoplasm)
  • Cell wall made of polysaccharide (not cellulose or chitin)
  • Few organelles and no membrae bound organelles 
  • Flagella arranged into a helix and made of flagellin
  • Small ribosomes (20 nanometers or less)


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