DNA Replication Which of the following repairs nicked DNA by forming a phosphodiester bond between adjacent nucleotides? DNA gyrase DNA ligase Topoisomerases Helicase DNA gyrase DNA ligase Topoisomerases Helicase ANSWER DOWNLOAD EXAMIANS APP
DNA Replication Proofreading activity to maintain the fidelity of DNA synthesis is a function of the 3'-5' exonuclease activity of the DNA polymerases occurs after the synthesis has been completed requires the presence of an enzyme separate from the DNA polymerases occurs in prokaryotes but not eukaryotes is a function of the 3'-5' exonuclease activity of the DNA polymerases occurs after the synthesis has been completed requires the presence of an enzyme separate from the DNA polymerases occurs in prokaryotes but not eukaryotes 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 The enzyme that catalyzes the synthesis of DNA is called helicase DNA ligase DNA polymerase DNA gyrase helicase DNA ligase DNA polymerase DNA gyrase ANSWER DOWNLOAD EXAMIANS APP
DNA Replication Which of the following statements on replication in E.coli is correct? Always uses T7 DNA polymerase when infected by T7 phage Occurs only when λ phase has infected E. coli It occurs in bidirectional manner It occurs in a unidirectional manner Always uses T7 DNA polymerase when infected by T7 phage Occurs only when λ phase has infected E. coli It occurs in bidirectional manner It occurs in a unidirectional manner ANSWER DOWNLOAD EXAMIANS APP
DNA Replication In E.coli, which enzyme synthesizes the RNA primer for Okazaki fragments? DnaG DnaA all of these DnaC DnaG DnaA all of these DnaC ANSWER DOWNLOAD EXAMIANS APP