DNA Replication Which of the following statements on replication in E.coli is correct? It occurs in bidirectional manner Occurs only when λ phase has infected E. coli It occurs in a unidirectional manner Always uses T7 DNA polymerase when infected by T7 phage It occurs in bidirectional manner Occurs only when λ phase has infected E. coli It occurs in a unidirectional manner Always uses T7 DNA polymerase when infected by T7 phage ANSWER DOWNLOAD EXAMIANS APP
DNA Replication In E.coli, which enzyme synthesizes the RNA primer for Okazaki fragments? DnaA all of these DnaG DnaC DnaA all of these DnaG DnaC ANSWER DOWNLOAD EXAMIANS APP
DNA Replication Which of the following enzymes unwind short stretches of DNA helix immediately ahead of a replication fork? Helicases Topoisomerases Single-stranded binding proteins DNA polymerases Helicases Topoisomerases Single-stranded binding proteins DNA polymerases ANSWER DOWNLOAD EXAMIANS APP
DNA Replication The synthesis of DNA by DNA polymerase occurs in the 5' to 5' direction 3' to 3' direction 5' to 3' direction 3' to 5' direction 5' to 5' direction 3' to 3' direction 5' to 3' direction 3' to 5' direction 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 lacks 3'-5' exonuclease activity? All of these Short fragment of DNA polymerase I T4 DNA ligase Taq DNA polymerase All of these Short fragment of DNA polymerase I T4 DNA ligase Taq DNA polymerase ANSWER DOWNLOAD EXAMIANS APP