Exam 6: An Introduction to Viruses

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Clostridium botulinum is made virulent by incorporated prophage genes encoding the botulinum toxin. What term describes this process?

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Viral infections are easier to treat with drugs than bacterial infections.

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Bacteriophages do not undergo adsorption to specific host cell receptors prior to penetration.

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Host range is limited by the

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Freshly isolated animal tissue that is placed in a growth medium and allowed to produce a cell monolayer is referred to as a _____ cell culture.

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Select the FALSE statement about viruses.

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Discuss why it is difficult to trace the origins of viruses and why they are important.

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Which of these structures are used by bacteriophages to attach to host cell receptors?

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Viral spikes are inserted into the host cell membrane before budding or exocytosis occurs.

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A naked virus does not have an) _____.

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The capsomers are made of

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Classification of viruses into families involves determining all the following characteristics except

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All of the following are correct about treating viral diseases except

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An) _____ is the protein shell around the nucleic acid core of a virus.

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Which of the following is a type of cytopathic effect?

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One of the principal capsid shapes is a 20-sided figure with 12 evenly spaced corners referred to as an) _____ capsid.

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Compare and contrast the steps of viral multiplication cycles in bacteriophages and animal viruses.

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The event that occurs in bacteriophage multiplication that does not occur in animal virus replication is

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