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33 Cards in this Set
- Front
- Back
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Spongieform encephalopathies: sheep scrapie
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What is a disease that is caused by prions?
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Creutzfeldt-Jakob disease
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What is a disease that is caused by prions?
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Fatal familial insomnia
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What is a disease that is caused by prions?
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Kuru
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What is a disease that is caused by prions?
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Mad cow disease
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What is a disease that is caused by prions?
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Cold Sores
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What is a disease that caused by latent viral infections?
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Leukemia
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What is a disease that is caused by latent viral infections?
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Shingles
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What is a disease that is caused by latent viral infections?
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Cervical Cancer
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What is a disease that is caused by persistent viral infections?
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HIV/AIDS
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What is a disease that is caused by persistent viral infections?
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Liver cancer
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What is a disease that is caused by persistent viral infections?
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Persistent enterovirus infection
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What is a disease that is caused by persistent viral infections?
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Progressive encephalitis
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What is a disease that is caused by a persistent viral infection?
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Subacute sclerosing panencephalitis (SSPE)
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What is a disease that is caused by a persistent viral infection?
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What does 5-bromouracil replace in a DNA chain and what is its complimentary paring? Why is this important?
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5-bromouracil replaces thymine, but it binds with guanine, which is a point mutation.
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What type of mutation results from UV light radiation?
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Induced mutation
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What type of mutation results from x-ray radiation?
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Induced mutation
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How does a cell become an Hfr cell?
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By incorporating the cell's plasmid into its DNA chromosomes, a F+ becomes a Hfr cell.
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When the Hfr cell performs conjugation with an F- cell, what does the Hfr cell transfer to the F- cell?
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During conjugation, the Hfr cell transfers part of the chromosome that has the inorporated plasmid to the recipient cell.
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What usually happens to the Hfr cell's chromosome when it transfers the chromosome to a recipient cell?
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Usually, when a Hfr cell transfers the chromosome with a plasmid incorporated in it, the chromosome breaks or fragments.
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What is the result of the chromosome fragmenting when an Hfr cell transfers the chromosome with the attached plasmid to the recipient cell?
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During conjugation, if the Hfr cell's chromosome with its incorporated plasmid fragments, the recipient cell only obtains a portion of the chromosome and the plasmid.
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After an F- cell completes conjugation with a Hfr cell, what is the recipient cell called?
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Recombinant F- cell
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Other than conjugation, how does an Hfr cell pass on its genetic information?
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Vertical gene transfer
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Which type of virus uses an envelope to attach to a host cell?
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Human viruses
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Which type of virus attaches to the host cell using tail fibers?
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Bacteriophages
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What must a virus have before it can attach to human cells?
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A lipid envelope
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How do I stop a human virus, if it is intracellular?
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Stop it from uncoating
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What would I prevent viral infection, Vitamin C or a surgical mask?
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A surgical mask
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Why does preventing viral attachment stop viral infection?
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Viral bioreplication only occurs intracellular
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Which type of virus causes an infection of a host cell that does not directly lead to the cell's death?
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Temperate phages
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Which viral life cycle actually has the phage replicating itself?
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The lytic cycle
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What must happen in the lytic cycle before a virulent page multiplies extracellularly?
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The lysis of the host cell must release the phages extracellularly
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What are the two types of mutations?
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Induced and Spontaneous
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