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Unveiling the World of HIV

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Questions and Answers

Which cells does HIV primarily infect?

Macrophages

CD8+ T lymphocytes (correct)

Natural killer cells

B cells

What is the function of the major envelope glycoprotein gp120 in HIV?

It produces viral particles

It regulates transcription of viral genes

It binds to CD4 and chemokine receptors on human cells (correct)

It integrates the viral DNA into the host cell's DNA

What is the process characteristic of all retroviruses?

Production of a DNA copy of viral RNA (correct)

Integration of viral DNA into host cell's DNA

Fusion of viral membrane with host cell membrane

Release of viral RNA

Which cells are believed to be important reservoirs for the HIV virus?

Macrophages Signup and view all the answers

What happens if an infected T cell is activated by an extrinsic stimulus?

The provirus is activated and viral RNAs and proteins are produced Signup and view all the answers

Which type of HIV causes most cases of AIDS?

HIV-1 Signup and view all the answers

What is the structure of an HIV-1 virion?

Two identical strands of RNA Signup and view all the answers