BIOD 171 q
BIOD 171 Microbiology Module 6 Exam – Portage learning
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q 2026/2027 Actual Exam
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Testbankscove
This exam contains:
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❖ BIOD 171 Microbiology Module 6 Exam
q q q q q
Portage learning 2026/2027 Actual Exam
q q q q
,Microbiology: Viruses — Questions, Correct Answers &
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Rationales
Below is a complete review of the quiz content, organized with each question, its answer choices
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q (where applicable), the correct answer, and a rationale explaining why.
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Page 1 q
1. True or False. Because the genome is contained within an enclosed space (much like
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the nucleus of a cell), viruses are classified as eukaryotic.
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, A. True q
B. False q
Correct Answer: B. False q q q
Rationale: Viruses are not classified as prokaryotic or eukaryotic. They are acellular (not
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made of cells) and are considered obligate intracellular parasites. The "enclosed space"
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is a protein capsid, not a true nucleus.
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2. Describe the two basic components of a virus. q q q q q q q
Correct Answer: A virus has genomic material made up of either DNA or RNA, and a
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capsid, which is a protective structure that contains the genetic material.
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Rationale: All viruses minimally consist of (1) a nucleic acid genome (DNA or RNA) and
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(2) a protein capsid that surrounds and protects the genome.
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3. The surrounds the capsid of some viruses. q q q q q
Correct Answer: envelope q q
Rationale: Some viruses have an additional outer lipid bilayer called an envelope,
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q derived from the host cell membrane, that surrounds the capsid.
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4. True or False. You would expect to see a viral envelope on a virus infecting a
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q bacterial cell. q
A. True q
B. False q
Correct Answer: B. False q q q
Rationale: Bacteriophages (viruses that infect bacteria) are generally non-enveloped.
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Enveloped viruses are more commonly associated with animal viruses.
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BIOD 171 Microbiology Module 6 Exam – Portage learning
q q q q q q q q
q 2026/2027 Actual Exam
q q
Testbankscove
This exam contains:
q q
❖ BIOD 171 Microbiology Module 6 Exam
q q q q q
Portage learning 2026/2027 Actual Exam
q q q q
,Microbiology: Viruses — Questions, Correct Answers &
q q q q q q q
Rationales
Below is a complete review of the quiz content, organized with each question, its answer choices
q q q q q q q q q q q q q q q
q (where applicable), the correct answer, and a rationale explaining why.
q q q q q q q q q
Page 1 q
1. True or False. Because the genome is contained within an enclosed space (much like
q q q q q q q q q q q q q
the nucleus of a cell), viruses are classified as eukaryotic.
q q q q q q q q q q
, A. True q
B. False q
Correct Answer: B. False q q q
Rationale: Viruses are not classified as prokaryotic or eukaryotic. They are acellular (not
q q q q q q q q q q q q
made of cells) and are considered obligate intracellular parasites. The "enclosed space"
q q q q q q q q q q q q
is a protein capsid, not a true nucleus.
q q q q q q q q
2. Describe the two basic components of a virus. q q q q q q q
Correct Answer: A virus has genomic material made up of either DNA or RNA, and a
q q q q q q q q q q q q q q q q
capsid, which is a protective structure that contains the genetic material.
q q q q q q q q q q q
Rationale: All viruses minimally consist of (1) a nucleic acid genome (DNA or RNA) and
q q q q q q q q q q q q q q
(2) a protein capsid that surrounds and protects the genome.
q q q q q q q q q
3. The surrounds the capsid of some viruses. q q q q q
Correct Answer: envelope q q
Rationale: Some viruses have an additional outer lipid bilayer called an envelope,
q q q q q q q q q q q
q derived from the host cell membrane, that surrounds the capsid.
q q q q q q q q q
4. True or False. You would expect to see a viral envelope on a virus infecting a
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q bacterial cell. q
A. True q
B. False q
Correct Answer: B. False q q q
Rationale: Bacteriophages (viruses that infect bacteria) are generally non-enveloped.
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Enveloped viruses are more commonly associated with animal viruses.
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