The P24 antigen is a component of the HIV core.

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Multiple Choice

The P24 antigen is a component of the HIV core.

Explanation:
P24 is the HIV capsid protein that makes up the inner core of the virus, surrounding the RNA genome and enzymes. Because it is part of the core structure, it is not an envelope glycoprotein (gp120/gp41) and it is not a polymerase or an integrase enzyme. P24 antigen tests detect this core protein to identify infection early, since p24 appears before antibodies develop, though its levels can decrease as antibody responses rise and immune complexes form.

P24 is the HIV capsid protein that makes up the inner core of the virus, surrounding the RNA genome and enzymes. Because it is part of the core structure, it is not an envelope glycoprotein (gp120/gp41) and it is not a polymerase or an integrase enzyme. P24 antigen tests detect this core protein to identify infection early, since p24 appears before antibodies develop, though its levels can decrease as antibody responses rise and immune complexes form.

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