HIV Virus and CD4 Cell Interaction
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Questions and Answers

What is the primary receptor used by the HIV virus for entry?

  • CD4 (correct)
  • CCR5
  • CXCR4
  • CD8

What is the process called when the HIV envelope fuses with the cell membrane?

  • Uncoating
  • Reverse transcription
  • Viral fusion (correct)
  • Integration

What protects the two plus-stranded RNAs that make up the HIV genome?

  • Viral envelope
  • Viral capsid
  • Nucleocapsid (correct)
  • Cell membrane

What is the purpose of integrase in the HIV replication cycle?

<p>To insert viral DNA into the host genome (A)</p> Signup and view all the answers

What is the goal of RNA interference (RNAi) in controlling viral replication?

<p>To block key steps in the viral replication cycle (D)</p> Signup and view all the answers

What is the process by which the influenza virus enters the host cell?

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

What is the function of the RNA-dependent RNA polymerase in the replication of the influenza virus?

<p>Initiation of internal RNA synthesis (B)</p> Signup and view all the answers

What is the purpose of updating influenza vaccines yearly?

<p>To include predicted circulating strains based on global surveillance data (B)</p> Signup and view all the answers

How does the immune system respond to inactivated influenza vaccines?

<p>It produces antibodies against the viral proteins (B)</p> Signup and view all the answers

What is the result of translation of the hepatitis C virus genomic RNA in the endoplasmic reticulum?

<p>A single large polyprotein that is cleaved into mature proteins (C)</p> Signup and view all the answers

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