Pharmacology Resistance to acyclovir is most commonly due to mutation in a viral gene that encodes a protein that: A Conves viral RNA into DNA B Phosphorylates acyclovir C transpos acyclovir into the cell D Transpos 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