DNA Structure and Replication Overwinding or overtightening of DNA during replication is caused and removed by DNAa, gyrase DNAb, gyrase Single stranded protein, DNAa DNAb, DNA polymerase DNAa, gyrase DNAb, gyrase Single stranded protein, DNAa DNAb, DNA polymerase ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication After one replication in 15N, how many bands should be observed in a cesium chloride gradient? Three A smear Two One Three A smear Two One ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication Which of the following is an active site on its single polypeptide chain for DNA Polymerase I? 5' → 3' polymerase All of these 3' → 5' exonuclease 5' → 3' exonuclease 5' → 3' polymerase All of these 3' → 5' exonuclease 5' → 3' exonuclease ANSWER DOWNLOAD EXAMIANS APP
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 AZT (zidovudine) is too expensive to be taken in effective doses The RNase H domain of p66 causes error prone synthesis It lacks a proofreading exonuclease It has low affinity for the correct dNTP's AZT (zidovudine) is too expensive to be taken in effective doses The RNase H domain of p66 causes error prone synthesis It lacks a proofreading exonuclease ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication DNA replication results in one new molecule of RNA one new DNA molecules 1 old molecule two completely new DNA molecules two DNA molecules such that each one contains a strand of the original one new molecule of RNA one new DNA molecules 1 old molecule two completely new DNA molecules two DNA molecules such that each one contains a strand of the original ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication DNA helicase is used to None of these unwind the double helix break a phosphodiester bond in DNA strand interact the double helix closely None of these unwind the double helix break a phosphodiester bond in DNA strand interact the double helix closely ANSWER DOWNLOAD EXAMIANS APP
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