Exam (elaborations)
BIOD 171 EXAM MODULE 6- verified questions and answers
- Course
- BIOD 171 (BIOD171)
- Institution
- Portage Learning
BIOD 171 EXAM MODULE 6- verified questions and answers
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BIOD 171 EXAMMODULE 6-
verified
questions and
answers
MODULE 6
. True or False. Because the genome is contained within an enclosed space, (much like the nucleus of a
cell) viruses are classified as eukaryotic.
, False. Viruses are neither eukaryotic nor prokaryotic.
2. Describe the two basic components of a virus.
A virus has (1) genomic material comprised of either DNA or RNA and (2) a capsid, a membrane-like
protective structure that contains the genetic material, similar to the nucleus of a eukaryotic cell.
Exam Page 2
Answer Key
1. The surrounds the capsid of some viruses.
Envelope.
2. True or False. You would expect to see a viral envelope on a virus infecting a plant cell.
False. The overwhelming majority of animal viruses are enveloped whereas the majority ofplant or
bacteria-infecting viruses are not.
Exam Page 3
Attachment: The virus receptors binds to the host protein
outside the cell Entry: The virus joins with the membrane of
host & enters cell Uncoating: The viral capsid is pulled apart
where applicable.
Replication: The viral genome makes copies of itself
Exit: Old virus leaves the cell & new viruses are produced
New infection: New viruses produced leaves the host cell & go infect new cells. This
process restarts
Answer Key
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