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Molecular Virology and Infections Quiz Questions and Answers
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Molecular Virology and Infections Quiz Questions and Answers 1: What is the basic structural unit of a virus? - correct answer - The basic structural unit of a virus is the virion. 2: What are the two main components of a virion? - correct answer - The two main components of a virion are t...

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  • September 11, 2024
  • 17
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • Molecular Virology and Infections
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Molecular Virology and Infections Quiz
Questions and Answers




1: What is the basic structural unit of a virus? - correct answer - The basic
structural unit of a virus is the virion.




2: What are the two main components of a virion? - correct answer -

The two main components of a virion are the nucleic acid (DNA or RNA) and
the protein coat (capsid).




3: What is the function of the viral capsid? - correct answer -

The viral capsid protects the viral genetic material and aids in its delivery
into host cells.




4: What is a viral envelope, and how is it acquired? - correct answer -

A viral envelope is a lipid bilayer derived from the host cell membrane,
acquired as the virus buds off from the host cell.

,5: What are the two types of viral nucleic acids? - correct answer -

The two types of viral nucleic acids are DNA and RNA.




6: How do DNA viruses typically replicate? - correct answer -

DNA viruses typically replicate in the host cells nucleus using the hosts
replication machinery.




7: How do RNA viruses typically replicate? - correct answer -

RNA viruses typically replicate in the host cells cytoplasm using their own
RNA-dependent RNA polymerase.




8: What is reverse transcription, and which viruses use this process? -
correct answer - Reverse transcription is the process of converting RNA into
DNA, used by retroviruses like HIV.




9: What is a lytic infection? - correct answer -

A lytic infection is a type of viral infection that results in the destruction of
the host cell and release of new virions.

, 10: What is a latent infection? - correct answer -

A latent infection is a type of viral infection where the virus remains
dormant within the host cell and can reactivate later.




11: What is viral tropism? - correct answer -

Viral tropism is the specificity of a virus for a particular host tissue or cell
type.




12: What role do viral receptors play in infection? - correct answer -

Viral receptors on host cells are specific molecules that viruses bind to for
entry into the cell.




13: What is the function of the viral polymerase enzyme? - correct answer -
The viral polymerase enzyme replicates the viral genome.

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