7 Questions
Which cells does HIV primarily infect?
CD8+ T lymphocytes
What is the function of the major envelope glycoprotein gp120 in HIV?
It binds to CD4 and chemokine receptors on human cells
What is the process characteristic of all retroviruses?
Production of a DNA copy of viral RNA
Which cells are believed to be important reservoirs for the HIV virus?
Macrophages
What happens if an infected T cell is activated by an extrinsic stimulus?
The provirus is activated and viral RNAs and proteins are produced
Which type of HIV causes most cases of AIDS?
HIV-1
What is the structure of an HIV-1 virion?
Two identical strands of RNA
Test your knowledge on HIV, a retrovirus that targets immune cells and causes their destruction. Learn about the structure of infectious HIV particles and the proteins encoded by its viral RNA.
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