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7 Cards in this Set
- Front
- Back
Virus classification |
1) Are borderline between living or Non-living 2) Can be round, rod-shaped or complex in shape 3) Are obligate parasites |
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bacteriophage |
Is a virus that infects a bacterium |
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Viruses replicate |
By sending it's nucleic acid into a live host cell and using the host to produce new viruses |
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Viruses |
Are tiny, consisting of a protein coat (capsid) and nucleic acid (either DNA or RNA) 1) Retroviruses have a protein coat, RNA and an enzyme to convert RNA TO DNA 2) viruses are non-cellular 3) They do not have cell organelles |
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Disadvantages of viruses |
They cause 1) Human diseases 2) Plant diseases 3) Animal diseases |
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Advantages of viruses |
They can 1) Transfer genes from one organism to another. 2) Can be used to control bacterial infections. |
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Viruses can be controlled by |
1) The general body defences 2) The production of antibodies 3) Vaccination or 4) Drugs (partially) |