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  • Viruses
    • HIV
      • Core of RNA bounded by protein coat + lipid bilayer containing glucoproteins
      • Invade and replicate in a type od lymphocyte
        • Weakens immune system
          • Retrovirus
            • RNA  ---> DNA
    • Bacteriophage
      • Core of DNA bounded by protein coat
      • Invade and replicate
        • Injects the viral DNA into bacteria - REPLICATE - form many copies and new protein coats
          • Bacterial cell eventually burst


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