DNA Structure and Replication Overwinding or overtightening of DNA during replication is caused and removed by DNAb, DNA polymerase DNAa, gyrase Single stranded protein, DNAa DNAb, gyrase DNAb, DNA polymerase DNAa, gyrase Single stranded protein, DNAa DNAb, gyrase ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication After one replication in 15N, how many bands should be observed in a cesium chloride gradient? One Three A smear Two One Three A smear Two ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication Messelsen and Stahl model of replication was called semi-conservative replication dispersive replication conservative replication Cri du Chat semi-conservative replication dispersive replication conservative replication Cri du Chat ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication What is the main damaging effect of UV radiation on DNA? Dehydration Single strand break Formation of thymine dimers Depurination Dehydration Single strand break Formation of thymine dimers Depurination 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? 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 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 It has low affinity for the correct dNTP's ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication The nucleosome consists of histone hexamer and 146 bp of DNA tetramer and 146 bp of DNA None of these octamer and 146 bp of DNA hexamer and 146 bp of DNA tetramer and 146 bp of DNA None of these octamer and 146 bp of DNA ANSWER DOWNLOAD EXAMIANS APP