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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?

To insert viral DNA into the host genome Signup and view all the answers

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

To block key steps in the viral replication cycle Signup and view all the answers

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

Endocytosis Signup and view all the answers

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

Initiation of internal RNA synthesis Signup and view all the answers

What is the purpose of updating influenza vaccines yearly?

To include predicted circulating strains based on global surveillance data Signup and view all the answers

How does the immune system respond to inactivated influenza vaccines?

It produces antibodies against the viral proteins Signup and view all the answers

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

A single large polyprotein that is cleaved into mature proteins Signup and view all the answers