DNA Replication Which of the following possesses both 5'-3' and 3'-5' exonuclease activity? None of these Kornberg enzyme Taq DNA polymerase DNA polymerase III None of these Kornberg enzyme Taq DNA polymerase DNA polymerase III ANSWER DOWNLOAD EXAMIANS APP
DNA Replication DNA gyrase is inhibited by cephalosporin nalidixic acid both (a) and (b) tetracycline cephalosporin nalidixic acid both (a) and (b) tetracycline ANSWER DOWNLOAD EXAMIANS APP
DNA Replication The synthesis of DNA by DNA polymerase occurs in the 3' to 3' direction 5' to 3' direction 5' to 5' direction 3' to 5' direction 3' to 3' direction 5' to 3' direction 5' to 5' direction 3' to 5' direction ANSWER DOWNLOAD EXAMIANS APP
DNA Replication Which of the following lacks 3'-5' exonuclease activity? All of these Taq DNA polymerase T4 DNA ligase Short fragment of DNA polymerase I All of these Taq DNA polymerase T4 DNA ligase Short fragment of DNA polymerase I ANSWER DOWNLOAD EXAMIANS APP
DNA Replication Which of the following statements on replication in E.coli is correct? Occurs only when λ phase has infected E. coli Always uses T7 DNA polymerase when infected by T7 phage It occurs in bidirectional manner It occurs in a unidirectional manner Occurs only when λ phase has infected E. coli Always uses T7 DNA polymerase when infected by T7 phage It occurs in bidirectional manner It occurs in a unidirectional manner ANSWER DOWNLOAD EXAMIANS APP
DNA Replication Proofreading activity to maintain the fidelity of DNA synthesis occurs in prokaryotes but not eukaryotes is a function of the 3'-5' exonuclease activity of the DNA polymerases requires the presence of an enzyme separate from the DNA polymerases occurs after the synthesis has been completed occurs in prokaryotes but not eukaryotes is a function of the 3'-5' exonuclease activity of the DNA polymerases requires the presence of an enzyme separate from the DNA polymerases occurs after the synthesis has been completed ANSWER DOWNLOAD EXAMIANS APP
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