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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 component...

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  • February 3, 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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