DNA Structure and Replication In DNA double helix, the two DNA chains are held together by None of these covalent bonds between the pair of bases hydrogen bonds between the pair of bases ionic bonds between the pair of bases None of these covalent bonds between the pair of bases hydrogen bonds between the pair of bases ionic bonds between the pair of bases 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%? Decreases Increases Can not be compared Remains same Decreases Increases Can not be compared Remains same ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication Deoxyribonucleoside triphosphates, being need in the chain termination methods are dGTP and dCTP all of these dATP dTTP dGTP and dCTP all of these dATP dTTP 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 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 It has low affinity for the correct dNTP's AZT (zidovudine) is too expensive to be taken in effective doses 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? Okazaki fragments Leading strands Primers Lagging strand Okazaki fragments Leading strands Primers Lagging strand ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication The RNA primers used to initiate replication in E. coli are removed by Pol I result in Okazaki fragments on leading strand are joined together by DNA ligase are removed by helicase + ATP are removed by Pol I result in Okazaki fragments on leading strand are joined together by DNA ligase are removed by helicase + ATP ANSWER DOWNLOAD EXAMIANS APP
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