Virology: Viral Infection and Replication
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Questions and Answers

What is the purpose of the viral capsid?

  • To surround and protect the viral genome (correct)
  • To release the virus from the host cell
  • To replicate the virus
  • To protect the host cell from infection

What is the shape of the capsid of the influenza virus?

  • Icosahedral
  • Complex
  • Helical (correct)
  • Cubic

What is the primary method of release of new virion?

  • Through budding (correct)
  • Through cell death
  • Through apoptosis
  • By exocytosis

What is the first step in the replication of a virus?

<p>Adsorption/Attachment (B)</p> Signup and view all the answers

What type of virus has a complex symmetry?

<p>Pox viruses (C)</p> Signup and view all the answers

Which type of virus has a lipid bilayer membrane?

<p>Enveloped viruses (A)</p> Signup and view all the answers

What is the primary route of transmission of hepatitis B?

<p>Through transfusion of contaminated blood (A)</p> Signup and view all the answers

What is the function of the viral genome?

<p>To encode genetic instructions (C)</p> Signup and view all the answers

How is a virus released from the host cell?

<p>By budding (D)</p> Signup and view all the answers

Which laboratory diagnosis method involves the detection of viral proteins?

<p>Serology (A)</p> Signup and view all the answers

What is the term for the process by which a virus enters a host cell?

<p>Attachment (D)</p> Signup and view all the answers

Which type of virus has a genome composed of RNA?

<p>RNA viruses (B)</p> Signup and view all the answers

What is the primary function of the protein coat in a virus?

<p>To protect the genetic material from degradation (D)</p> Signup and view all the answers

What is a characteristic of viruses that distinguishes them from living things?

<p>They lack a cellular structure (C)</p> Signup and view all the answers

Where do active viruses typically reside?

<p>Inside a host cell (D)</p> Signup and view all the answers

What is the range of sizes for viruses?

<p>20 - 300 nm (C)</p> Signup and view all the answers

What is a characteristic of viruses that allows them to change over time?

<p>Their ability to undergo mutation (C)</p> Signup and view all the answers

What is a common location for viruses to be found?

<p>In a host cell (C)</p> Signup and view all the answers

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