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 In E.coli, which enzyme synthesizes the RNA primer for Okazaki fragments? DnaC DnaG all of these DnaA DnaC DnaG all of these DnaA 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 in prokaryotes but not eukaryotes occurs after the synthesis has been completed requires the presence of an enzyme separate from the DNA polymerases is a function of the 3'-5' exonuclease activity of the DNA polymerases occurs in prokaryotes but not eukaryotes occurs after the synthesis has been completed requires the presence of an enzyme separate from the DNA polymerases ANSWER DOWNLOAD EXAMIANS APP
DNA Replication Which of the following repairs nicked DNA by forming a phosphodiester bond between adjacent nucleotides? DNA gyrase Helicase DNA ligase Topoisomerases DNA gyrase Helicase DNA ligase Topoisomerases 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 DNA replication rates in prokaryotes are approximately of the order of 1,00 bases per second 10,000 bases per second 1,000 bases per second 10 bases per second 1,00 bases per second 10,000 bases per second 1,000 bases per second 10 bases per second ANSWER DOWNLOAD EXAMIANS APP