Question:medium

Describe the life cycle of HIV from the time of its entry into the human body till full-blown AIDS sets in.

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HIV targets the immune system, making the body vulnerable to infections.
Updated On: Jan 13, 2026
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Solution and Explanation

Entry: HIV binds to CD4 receptors on T-cells and merges with the cell membrane. Reverse Transcription: Viral RNA is transformed into DNA by the reverse transcriptase enzyme. Integration: Viral DNA is incorporated into the host genome by integrase. Replication: The host's cellular machinery produces viral proteins and RNA. Release: New virions are assembled and released, eventually causing T-cell destruction. Progression: The immune system deteriorates, resulting in opportunistic infections and AIDS.
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