DNA Structure and Replication Overwinding or overtightening of DNA during replication is caused and removed by DNAb, DNA polymerase DNAb, gyrase DNAa, gyrase Single stranded protein, DNAa DNAb, DNA polymerase DNAb, gyrase DNAa, gyrase Single stranded protein, DNAa 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? 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 The RNase H domain of p66 causes error prone synthesis ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication Which histone(s) are associated with the linker DNA of a nucleosome? Histone H3 Histone H4 Histone H1 Histones H2A and H2B Histone H3 Histone H4 Histone H1 Histones H2A and H2B 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 In the study of one experiment it was found that the value of Tm for DNA is = 40° C. If the cell has 20% GC at the above Tm, then what will be value of 'Tm' if the GC% increases to 60%? Increases Can not be compared Decreases Remains same Increases Can not be compared Decreases Remains same ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication Which of the following are short nucleotides strands made by DNA polymerase working in the opposite direction of the replication fork? Leading strands Lagging strand Okazaki fragments Primers Leading strands Lagging strand Okazaki fragments Primers ANSWER DOWNLOAD EXAMIANS APP
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