Chapter 27 – Viruses
49. Diseases such as scrapie in sheep, “mad cow” disease in cattle, and Creutzfeldt-Jakob
disease in humans are known as
50. Viruses infect every organism that has been investigated for their presence. However,
viruses can only replicate in
Check All That Apply Questions
51. Viruses may cause cancer in these three typical ways:
Chapter 27 – Viruses
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•
Given what you now know, what information and/or problem solving approach is most
likely to produce the correct answer?
Reflect on Process
•
Did your problem-solving process lead you to the correct answer? If not, where did the
process break down or lead you astray? How can you revise your approach to produce a
more desirable result?
Multiple Choice Questions
52. The switch from a lysogenic prophage to a lytic cycle is called
Chapter 27 – Viruses
53. All of the following are part of phage conversion except
Chapter 27 – Viruses
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process break down or lead you astray? How can you revise your approach to produce a
more desirable result?
Chapter 27 – Viruses
54. What is the name for parasitic viral DNA that has been integrated into the chromosome of
its bacterial host?
55. One way in which retroviruses differ from all other types of viruses is that retroviruses
56. The enormous genetic diversity of HIV has made it especially difficult to create a vaccine
against the virus. We can attribute this genetic diversity to
Chapter 27 – Viruses
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Given what you now know, what information and/or problem solving approach is most
likely to produce the correct answer?
Reflect on Process
•
Did your problem-solving process lead you to the correct answer? If not, where did the
process break down or lead you astray? How can you revise your approach to produce a
more desirable result?
Chapter 27 – Viruses
57. The direction of genetic information transfer in a retrovirus (such as HIV) is
E. RNA to protein.
Clarify Question
•
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o This question addresses the HIV infection cycle.
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unfamiliar situation.
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process break down or lead you astray? How can you revise your approach to produce a
more desirable result?
Chapter 27 – Viruses
58. Which of the following statements about bacteriophage is false?
59. Which of the following is a unique feature of viruses that separates them from bacteria?
60. While they are simple relative to cells, viruses often have a very diverse collection of
components. Which one of the following choices is LEAST likely to be found as part of a
virus?
Chapter 27 – Viruses
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o This question addresses virus structure.
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Chapter 27 – Viruses
61. Which of the following would NOT be a component of a newly produced HIV virus
particle?
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Given what you now know, what information and/or problem solving approach is most
likely to produce the correct answer?
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Did your problem-solving process lead you to the correct answer? If not, where did the
process break down or lead you astray? How can you revise your approach to produce a
more desirable result?
Chapter 27 – Viruses
62. Which of the following statements about the types and subtypes of the influenza (flu)
virus is FALSE?
63. Which of the following statements about emerging viruses is false?
Chapter 27 – Viruses
64. Which of the following statements about TSEs (transmissible spongiform
encephalopathies) is false?