DNA Replication Which of the following enzymes unwind short stretches of DNA helix immediately ahead of a replication fork? DNA polymerases Topoisomerases Single-stranded binding proteins Helicases DNA polymerases Topoisomerases Single-stranded binding proteins Helicases ANSWER DOWNLOAD EXAMIANS APP
DNA Replication Which of the following possesses both 5'-3' and 3'-5' exonuclease activity? Kornberg enzyme Taq DNA polymerase None of these DNA polymerase III Kornberg enzyme Taq DNA polymerase None of these DNA polymerase III ANSWER DOWNLOAD EXAMIANS APP
DNA Replication In E.coli, which enzyme synthesizes the RNA primer for Okazaki fragments? DnaA DnaG all of these DnaC DnaA DnaG all of these DnaC ANSWER DOWNLOAD EXAMIANS APP
DNA Replication Which of the following lacks 3'-5' exonuclease activity? T4 DNA ligase Short fragment of DNA polymerase I Taq DNA polymerase All of these T4 DNA ligase Short fragment of DNA polymerase I Taq DNA polymerase All of these ANSWER DOWNLOAD EXAMIANS APP
DNA Replication DNA gyrase is inhibited by both (a) and (b) nalidixic acid tetracycline cephalosporin both (a) and (b) nalidixic acid tetracycline cephalosporin ANSWER DOWNLOAD EXAMIANS APP
DNA Replication Which of the following statements on replication in E.coli is correct? It occurs in a unidirectional manner It occurs in bidirectional manner Occurs only when λ phase has infected E. coli Always uses T7 DNA polymerase when infected by T7 phage It occurs in a unidirectional manner It occurs in bidirectional manner Occurs only when λ phase has infected E. coli Always uses T7 DNA polymerase when infected by T7 phage ANSWER DOWNLOAD EXAMIANS APP
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