Pharmacology Resistance to acyclovir is most commonly due to mutation in a viral gene that encodes a protein that : A Converts viral RNA into DNA B Phosphorylates acyclovir C Transports acyclovir into the cell D Transports acyclovir out of the cell 💡 Explanation Resistance to acyclovir is most commonly due to mutation in a viral gene that encodes a protein that : ✓ Correct Answer: B. Phosphorylates acyclovir