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Viruses and Bacteria

Viruses and Bacteria. By: Thomas and Brandon. Virus. A small infectious agent that can replicate only inside the cells of other organisms. Bacteria. S ingle-celled or noncellular spherical or spiral or rod-shaped organisms lacking chlorophyll that reproduce by fission. Bacteria.

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Viruses and Bacteria

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  1. Viruses and Bacteria By: Thomas and Brandon

  2. Virus • A small infectious agent that can replicate only inside the cells of other organisms.

  3. Bacteria • Single-celled or noncellular spherical or spiral or rod-shaped organisms lacking chlorophyll that reproduce by fission.

  4. Bacteria • Prokaryote • Unicellular • Heterotroph • 2 types • Eubacteria and Archaebacteria • Shapes • Spirilla, Bacilli, and Cocci

  5. Smallpox • A highly contagious viral disease characterized by fever and weakness and skin eruption with pustules that form scabs that slough off leaving scars

  6. Streptococcus • Spherical Gram-positive bacteria occurring in pairs or chains and causes scarlet fever and tonsillitis

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