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Question
Explain the process of replication of a retrovirus after it gains entry into the human body.
Solution
HIV is a retrovirus which has RNA genomes and it replicates via DNA copies. On infection, the virus enters the macrophages where viral RNA genome is converted to viral DNA copy with the help of an enzyme reverse transcriptase. This viral DNA copy of HIV is inserted into human chromosomes and replicates with the cell DNA
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