Biology Acellular Life UHS 2022
PMDC Verified Question 48 of 70
The enzymes integrase, protease and reverse transcriptase are found in which virus?
A
Influenza virus
B
Human immunodeficiency virus
C
Hepatitis 'A' virus
D
Herpes virus
Tap any option to test your recall and reveal the step-by-step Propolis autopsy.

Propolis Cognitive Error Autopsy

Official Correct Choice:
Option B: Human immunodeficiency virus
Concept:

Retroviruses require a highly specialized suite of pre-packaged enzymes to complete their unique life cycle.

Solution:

  • The Human Immunodeficiency Virus (HIV) packages three essential enzymes within its capsid:
  • Reverse transcriptase: To convert RNA into DNA.
  • Integrase: To insert viral DNA into the host genome.
  • Protease: To cleave viral polyproteins during maturation.


Why other options are incorrect:

  • Influenza, Hepatitis A, Herpes: These do not integrate via reverse transcription and lack this specific trio of enzymes.

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