DNA Replication Which of the following enzymes unwind short stretches of DNA helix immediately ahead of a replication fork? Helicases DNA polymerases Single-stranded binding proteins Topoisomerases Helicases DNA polymerases Single-stranded binding proteins Topoisomerases ANSWER DOWNLOAD EXAMIANS APP
DNA Replication Which of the following lacks 3'-5' exonuclease activity? Taq DNA polymerase Short fragment of DNA polymerase I T4 DNA ligase All of these Taq DNA polymerase Short fragment of DNA polymerase I T4 DNA ligase All of these ANSWER DOWNLOAD EXAMIANS APP
DNA Replication The synthesis of DNA by DNA polymerase occurs in the 5' to 5' direction 3' to 3' direction 3' to 5' direction 5' to 3' direction 5' to 5' direction 3' to 3' direction 3' to 5' direction 5' to 3' direction ANSWER DOWNLOAD EXAMIANS APP
DNA Replication In E.coli, which enzyme synthesizes the RNA primer for Okazaki fragments? DnaC DnaG DnaA all of these DnaC DnaG DnaA all of these ANSWER DOWNLOAD EXAMIANS APP
DNA Replication Which of the following repairs nicked DNA by forming a phosphodiester bond between adjacent nucleotides? DNA ligase DNA gyrase Helicase Topoisomerases DNA ligase DNA gyrase Helicase Topoisomerases ANSWER DOWNLOAD EXAMIANS APP
DNA Replication During DNA replication in prokaryotes, synthesis begins on the circular chromosome at any stretch of DNA that is high in AT pairs always at the same place at the promoter randomly on the chromosome at any stretch of DNA that is high in AT pairs always at the same place at the promoter randomly on the chromosome ANSWER DOWNLOAD EXAMIANS APP
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