e virus C has a viral genome of 154,000 bp, and 10,000,000,000 viruses are repli
ID: 198728 • Letter: E
Question
e virus C has a viral genome of 154,000 bp, and 10,000,000,000 viruses are replicated in an ippos ntected individual in a single day. Assume that a single mutation at a particular location in the virus C genome is needed for virus C to develop antiviral drug resistance to famciclovir. The mutation can bea transition or transversion mutation. If RNA polymerase introduces an error in 1 of every 10,000 bases synthesized, how long will it take for virus C to overcome famciclovir therapy and develop resistance? Round your answer up to a whole number of days. Number 1 day lsExplanation / Answer
RNA polymerase induces mutation in 1/10000 bases.
So total genome is 154000 bp.
For one replication to complete the virl cycle induces
154000/10000 = 15 mutation happen in 1 virus.
In one day 10,000,000,000 virus particle is replicated
So, 1 virus -------- ------ 15 mutaion
10,000,000,000 virus ----- 666,666,666 mutation in one day.
So in 1 day is enough to produce become famciclovir resistance.
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