DNA Structure and Replication
DNA replication results in

one new molecule of RNA
one new DNA molecules 1 old molecule
two DNA molecules such that each one contains a strand of the original
two completely new DNA molecules

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DNA Structure and Replication
The rapid appearance of HIV-1 strains that are resistant to AIDS drugs is due in part to which of the following property of its reverse transcriptase?

It has low affinity for the correct dNTP's
The RNase H domain of p66 causes error prone synthesis
AZT (zidovudine) is too expensive to be taken in effective doses
It lacks a proofreading exonuclease

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