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10 Cards in this Set
- Front
- Back
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______ produce disease by disrupting the body's normal equilibrium.
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Viruses
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How does viruses change the body's normal functions?
1 2 |
1. destroying cells
2. changing the cells' patterns of growth and development |
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What is a major difference in the treatment of bacteria and viruses?
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Viruses cannot be treated with antiobiotics.
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What is the best way to protect against viruses?
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Protection through vaccinations.
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Name two forms of viruses that effect animals.
1 2 |
1. hoof and mouth disease - cattle
2. Rous sarcoma (cancer)- chickens |
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What is the difference between animal and plant viruses?
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Plant viruses have a difficult time entering the cells they infect because of the plant's cell wall.
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How do viruses penetrate plants?
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By tears in the leaf tissue, breaks in the stems or roots or by cell wall damage.
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What is the best way for virus to infect plants?
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Insects carry and transfer viruses when they feed off plants.
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_____ are virus like particles that cause disease in plants.
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Viroids
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______ are virus like particles that cause disease in animals.
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Prions
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