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GATE 2019 BT – Question 15

General Biology · Microbiology: Microbial diseases, host-pathogen interactions, antibiotics and resistance, two-component system, bacterial communication, viruses · 1 mark · Multiple choice

Which enzyme is encoded by the HIV genome?

  1. Reverse transcriptase
  2. Phospholipase
  3. Phosphatase
  4. ATP synthase

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Show answer and explanation

Correct answer: (A) Reverse transcriptase

Explanation

HIV is a retrovirus. Its pol gene encodes proteins including reverse transcriptase, which copies viral RNA into DNA during replication. Thus A. The other enzyme choices are not the defining genome-encoded retroviral replication enzyme asked for here.

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