DNA Structure and Replication In a cesium chloride gradient, DNA labeled with 15N and centrifuged will form a band below DNA containing 14N with 14N-containing DNA above DNA containing 14N all of these below DNA containing 14N with 14N-containing DNA above DNA containing 14N all of these ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication Which enzyme catalyzes the elongation of DNA molecules? DNA ligase DNA polymerase Helicase Primase DNA ligase DNA polymerase Helicase Primase 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 lacks a proofreading exonuclease The RNase H domain of p66 causes error prone synthesis It has low affinity for the correct dNTP's AZT (zidovudine) is too expensive to be taken in effective doses It lacks a proofreading exonuclease The RNase H domain of p66 causes error prone synthesis 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 species lack a 'classical' histone H1? Xenopus laevis Saccharomyces cerevisiae Strongylocentrotus purpuratus Arabidopsis thaliana Xenopus laevis Saccharomyces cerevisiae Strongylocentrotus purpuratus Arabidopsis thaliana ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication The site on a bacterial chromosome that marks the initiation point for chromosome replication is called Ori an initiation codon Pro a promoter Ori an initiation codon Pro a promoter ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication If one cell has AT contents 40%, what will be the percentage of Guanine residue? 15% 60% Guanine residue can not be calculated 30% 15% 60% Guanine residue can not be calculated 30% ANSWER DOWNLOAD EXAMIANS APP
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