Micro Exam 6 Portage Learning Question and Answers 2023
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Course
Microbiology
Institution
Microbiology
Micro Exam 6 Portage Learning
Question and Answers 2023
True or False. Because the genome is contained within an enclosed space (much like the nucleus
of a cell), viruses are classified as eukaryotic. Ans- False. Viruses are neither eukaryotic nor
prokaryotic
Describe the two basic component...
micro exam 6 portage learning question and answers 2023
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Micro Exam 6 Portage Learning
Question and Answers 2023
True or False. Because the genome is contained within an enclosed space (much like the nucleus
of a cell), viruses are classified as eukaryotic. Ans- False. Viruses are neither eukaryotic nor
prokaryotic
Describe the two basic components of a virus. Ans- 1) Genomic material made up of DNA or
RNA
2) Capsid, which is a membrane like protective structure that contains genetic material.
The ________ surrounds the capsid of some viruses. Ans- envelope
Rank the falling viruses from smallest to largest:
Poliovirus
Variolavirus
Orthomyxovirus Ans- Variolavirus
Orthomyxovirus
Poliovirus
, True or False: Viral replication occurs after it attaches and enters the host cell. Ans- True
True or False. You would expect to see a viral envelope on a virus infecting a bacterial cell. Ans-
False. The majority of animal viruses are enveloped whereas the majority of plant or bacteria
infecting viruses are not
Rank the following viruses based on their size from largest to smallest:
Paramyxovirus
Polivirus
Smallpox virus Ans- 1 (Largest): Smallpox
2: Paramyxovirus
3 (Smallest): Poliovirus
True or False: Highly infectious viruses undergo genome replication prior to viral attachment
and entry. Ans- False. The viral genome is never replicated before attachment and entry
regardless of its level of infectivity
Place the following viral life cycle steps in order beginning with viral attachment and provide a
description of each step.
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