DNA Replication Which of the following repairs nicked DNA by forming a phosphodiester bond between adjacent nucleotides? Topoisomerases DNA ligase Helicase DNA gyrase Topoisomerases DNA ligase Helicase DNA gyrase ANSWER DOWNLOAD EXAMIANS APP
DNA Replication Proofreading activity to maintain the fidelity of DNA synthesis 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 is a function of the 3'-5' exonuclease activity of the DNA polymerases occurs in prokaryotes but not eukaryotes ANSWER DOWNLOAD EXAMIANS APP
DNA Replication DNA gyrase is inhibited by tetracycline nalidixic acid cephalosporin both (a) and (b) tetracycline nalidixic acid cephalosporin both (a) and (b) ANSWER DOWNLOAD EXAMIANS APP
DNA Replication Which of the following possesses both 5'-3' and 3'-5' exonuclease activity? Kornberg enzyme DNA polymerase III Taq DNA polymerase None of these Kornberg enzyme DNA polymerase III Taq DNA polymerase None of these ANSWER DOWNLOAD EXAMIANS APP
DNA Replication Which of the following enzymes unwind short stretches of DNA helix immediately ahead of a replication fork? DNA polymerases Helicases Single-stranded binding proteins Topoisomerases DNA polymerases Helicases Single-stranded binding proteins Topoisomerases ANSWER DOWNLOAD EXAMIANS APP
DNA Replication Which of the following lacks 3'-5' exonuclease activity? All of these 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 ANSWER DOWNLOAD EXAMIANS APP
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