Write a diagrammatic representation of life cycle of HIV.

Explanation

The virus enters macrophages after getting into the body of individual where RNA forms viral DNA by reverse transcription. The viral DNA gets incorporated in the host cell.s DNA and direct the infected cells to produce viral copies.
The newly produced virus particles attack helper T-cells and thus the number of T-cells decreases. Since the helper T-cells are essential for functioning of immune system, the person suffers from various diseases due to deficient immune system.