DNA Structure and Replication Which enzyme catalyzes the elongation of DNA molecules? DNA ligase Primase DNA polymerase Helicase DNA ligase Primase DNA polymerase Helicase ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication The RNA primers used to initiate replication in E. coli result in Okazaki fragments on leading strand are removed by Pol I are joined together by DNA ligase are removed by helicase + ATP result in Okazaki fragments on leading strand are removed by Pol I are joined together by DNA ligase are removed by helicase + ATP ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication The most common liquid volumes in molecular biology are measured in 1 nl ml μl 1 nl ml μl ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication The size of a linear DNA fragment in a gel can be estimated by comparison with a molecular weight standard such as Hind III digested phage lambda the time it takes the gel to run fluorescence in UV light the sedimentation coefficient comparison with a molecular weight standard such as Hind III digested phage lambda the time it takes the gel to run fluorescence in UV light the sedimentation coefficient ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication Which of the following species lack a 'classical' histone H1? Saccharomyces cerevisiae Arabidopsis thaliana Xenopus laevis Strongylocentrotus purpuratus Saccharomyces cerevisiae Arabidopsis thaliana Xenopus laevis Strongylocentrotus purpuratus ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication Which of the following is used to determine the appropriate stringency (Wallace rule)? Tm = 2 x (No.of G:C base pair) + 4 x (No.of A:T base pair) Tm = 4 x (No.of A:T base pair) + 2 x (No.of G:C base pair) Tm = 4 x (No.of G:C base pair) + 2 x (No.of A:T base pair) Tm = 69.3° + 0.41 (%)G+C -650/1 Tm = 2 x (No.of G:C base pair) + 4 x (No.of A:T base pair) Tm = 4 x (No.of A:T base pair) + 2 x (No.of G:C base pair) Tm = 4 x (No.of G:C base pair) + 2 x (No.of A:T base pair) Tm = 69.3° + 0.41 (%)G+C -650/1 ANSWER DOWNLOAD EXAMIANS APP
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