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14 Cards in this Set
- Front
- Back
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a noncellular infectious particle consisting of nucleic acid (DNA or RNA) enclosed in a protein coat
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virus
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an RNA virus that infects animal cells
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retrovirus
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diseases caused by infetious proteins smaller than viruses
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Prion
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microscopic progaryotic cells. Most have a single,circular chromosome and may also have extra DNA in plasmids
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bacteria
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protozoa (single-celled eukaryotes that are pathogenic and are often spread by way of water or food contaminated with feces from infected people or other animals
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parasites
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physically carries pathogens or contamnated material to new hosts
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disease ector
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infection that is acquired in a hospital, usually by direct contact
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nosocomial infection
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makes more peope ill than experience would have predicted.
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epidemic
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occurs when epidemics break out more or less simultaneously in various places around the world.
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pandemic
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gauge of a pathogen's ability to cause serious disease
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virulence
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viruses that infect bacteria
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bacteriohages or phages
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six step cycle for viruses to multiply
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1. attachment to the host
2. entry into the cell's cytoplasm 3. replication of DNA or RNA 4. synthesis of enzymes and other proteins 5. assembly into new virus particles 6. release of new virus particles from the cell |
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viruses that infect bacteria
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bacteriohages or phages
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six step cycle for viruses to multiply
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1. attachment to the host
2. entry into the cell's cytoplasm 3. replication of DNA or RNA 4. synthesis of enzymes and other proteins 5. assembly into new virus particles 6. release of new virus particles from the cell |
