Bacteria and Viruses are NOT the same….

So…how are the two different???

• Bacteria
• Bacteria are prokaryotes. Prokaryotes are:

• Bacteria can be identified by three characteristics:

• Shape
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• cell wall
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• movement
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• Bacteria reproduce “3” ways:

• Conjugation

• Binary fission

• Spores

• Defenses against bacteria

• Sterilization
• Immune system
• Antibiotics

• Viruses

• Viruses are non-living. How do we know that?

• What are viruses composed of?

• Capsid--

• Genetic material--

• Viral structure
• Can you describe the typical shape of a virus?

• why?

• The viral structure that is commonly drawn is a bacteriophage.
• A bacteriophage is a--

• Viruses reproduce (INFECT) two ways

• Lytic cycle

• Lysogenic cycle

• Defenses against viruses
• Immune system
• Vaccines