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OSX_Microbiology_TestBank_Ch06.

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OSX_Microbiology_TestBank_Ch06.

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Document information

  • April 20, 2024
  • 17
  • 2023/2024
  • Exam (elaborations)
  • Questions & answers

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  • osxmicrobiologytestbankch06

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  • _Microbiology
  • _Microbiology

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OSX_Microbiology_TestBank_Ch06.
Real exam 2023/2024
* = Correct

answer
Multiple Choice

1. Which of the following is not a property of a virus?
A. It is an infectious cellular pathogen.*
B. It is an obligate intracellular pathogen.
C. Its genome consists of DNA or RNA.
D. Its genome is surrounded by a protein capsid.

Difficulty: Easy
ASM Standard: 10, 13

2. Which of the following is the scientist responsible for first discovering viruses (specifically,
tobacco mosaic virus)?
A. Dimitri Ivanovski*
B. Edward Jenner
C. Henrietta Lacks
D. Stanley Prusiner

Difficulty: Easy
ASM Standard: N/A

3. The protein subunits that surround the nucleic acid of a virus are known as which of the
following?
A. amino acids
B. capsomeres*
C. chromatins
D. telomeres

Difficulty: Easy
ASM Standard: N/A

4. Arthropods typically serve as which mechanism of transmission for viruses?
A. biological vector*
B. fomite
C. mechanical vector
D. both as fomites and as vectors
Page 1 of 16

, Difficulty: Medium
ASM Standard: 10, 13, 23

5. Which unit of length best describes the average size of a virion?
A. mm




Page 2 of 16

, B. µm
C. nm*
D. pm

Difficulty: Easy
ASM Standard: 6

6. Viruses can be visualized using which method?
A. compound light microscope
B. electron microscope*
C. the naked eye
D. ultraviolet rays

Difficulty: Easy
ASM Standard: 6, 32, 36

7. The Baltimore Classification system describes viruses according to which characteristic?
A. capsid shape
B. host-cell susceptibility
C. the presence or absence of an envelope
D. the viral genome*

Difficulty: Easy
ASM Standard: 10

8. Which of the following properly lists (in order) the steps of viral replication?
A. Attachment → Lysis → Penetration → Biosynthesis → Maturation
B. Attachment → Penetration → Biosynthesis → Maturation → Lysis *
C. Biosynthesis → Attachment → Penetration → Lysis → Maturation
D. Penetration → Biosynthesis → Lysis → Attachment → Maturation

Difficulty: Easy
ASM Standard: 10

9. In the lysogenic cycle of bacteriophages, the integrated phage genome is known as which of
the following?
A. prophage*
B. provirus
C. virioid
D. virion

Difficulty: Easy
ASM Standard: 10

10. In retroviruses, the integrated phage genome is known as which of the following?


Page 3 of 16

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