DNA Structure and Replication What is the main damaging effect of UV radiation on DNA? Depurination Formation of thymine dimers Single strand break Dehydration Depurination Formation of thymine dimers Single strand break Dehydration 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 It lacks a proofreading exonuclease The RNase H domain of p66 causes error prone synthesis AZT (zidovudine) is too expensive to be taken in effective doses It has low affinity for the correct dNTP's It lacks a proofreading exonuclease The RNase H domain of p66 causes error prone synthesis AZT (zidovudine) is too expensive to be taken in effective doses ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication The size of a linear DNA fragment in a gel can be estimated by fluorescence in UV light comparison with a molecular weight standard such as Hind III digested phage lambda the sedimentation coefficient the time it takes the gel to run fluorescence in UV light comparison with a molecular weight standard such as Hind III digested phage lambda the sedimentation coefficient the time it takes the gel to run ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication Replication in E. coli is initiated by the generation of short RNA primers using both (a) and (b) reverse transcriptase RNA polymerase primase both (a) and (b) reverse transcriptase RNA polymerase primase ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication TM refers to the temperature at which 50% of a DNA molecule is denatured All of these membranes are 50% fluid 50% of a protein molecules are denatured 50% of a DNA molecule is denatured All of these membranes are 50% fluid 50% of a protein molecules are denatured ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication Which polymerase is active in DNA repairing Polymerase I none of these Polymerase II Polymerase III Polymerase I none of these Polymerase II Polymerase III ANSWER DOWNLOAD EXAMIANS APP