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5 Cards in this Set
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Vaccine
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Substance that is prepared from killed or weakened mircroorganisms
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Virulent
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able to cause disease
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Transformation
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a change in phenotype caused when bacterial cells take up foreign genetic material
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bacteriophage
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viruses that infect bacteria
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How did Griffith discover transformation?
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while attempting to create a vaccine he injected mice with the smooth bacteria, which killed the mice. then the rough bacteria, which didnt harm the mice. then he injected the mice with smooth bacteria that was killed, the mice lived. after which he mixed the 2 non-pollutant bacterias and injected the mice to find that the rough deveolped the protective coating of the smooth bacteria
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