Viruses

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Viruses Bacteria Review
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What is this? How do you know?
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What are the major structures?
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Why is there no cure for common cold?
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Are viruses living? Why?
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Lytic or Lysis Cycle?
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What does HIV attack?How is HIV different from
other viruses?
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What is this?
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Eukaryote or Prokaryote? Living?
Function of structures?
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What are these shapes?
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What are these shapes?
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What are these shapes?
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Gram Staining
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How Bacteria Get Food

• Heterotrophic
• Saprophytic
• Autotrophic
• Photosynthetic
• Chemosynthetic
• Nitrogen-fixating

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How do bacteria reproduce?
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What is this experiment?
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Viral and Bacterial Diseases
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Chicken Pox(Varicella zoster) 
Virus transmitted by contact with
lesion Symptoms rash, fever
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Small Pox(Variola)
Virus spread through air, contact w/ lesions
Symptoms pustules, often fatal
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Polio(Poliomyelitis)
Iron
lung
Virus Spread through feces Symptoms stiffness,
paralysis
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AIDS caused by HIV(Acquired Immunodeficiency
Syndrome)
Virus sexual or blood contact Symtoms immune
system failure, fatal
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Tuberculosis(Mycobacterium tuberculosis)
Bacterial spread through air Symptoms
respiratory failure
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Bubonic Plague (Black Death)

• The exact pathogen is unknown but it was spread
  by fleas

Bacterial spread by flea bites Symptomsbleeding
into skin, death
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Leprosy(Mycobacterium leprae)
Bacterial spread by contact with
lesions Symptoms Gangrene of extremities,
sensory loss, mutilation.
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Typhus(Rickettsia prowazekii)
Bacterial spread through lice feces Symptoms
itchy rash, mental confusion,
death.
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Tetanus(Lockjaw)
Causes severe muscle spasms
Bacterial soil Symptoms affects nervous system,
lockjaw
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Lyme Disease(Borrelia burgdorferi)
Bacterial, spread by tick bites Symptoms rash,
achy joints, eventual organ
failure