DNA Replication Which of the following enzymes unwind short stretches of DNA helix immediately ahead of a replication fork? DNA polymerases Single-stranded binding proteins Topoisomerases Helicases DNA polymerases Single-stranded binding proteins Topoisomerases Helicases ANSWER DOWNLOAD EXAMIANS APP
DNA Replication During DNA replication in prokaryotes, synthesis begins on the circular chromosome at the promoter at any stretch of DNA that is high in AT pairs always at the same place randomly on the chromosome at the promoter at any stretch of DNA that is high in AT pairs always at the same place randomly on the chromosome ANSWER DOWNLOAD EXAMIANS APP
DNA Replication DNA gyrase is inhibited by both (a) and (b) nalidixic acid tetracycline cephalosporin both (a) and (b) nalidixic acid tetracycline cephalosporin ANSWER DOWNLOAD EXAMIANS APP
DNA Replication Which of the following statements on replication in E.coli is correct? It occurs in a unidirectional manner Occurs only when λ phase has infected E. coli Always uses T7 DNA polymerase when infected by T7 phage It occurs in bidirectional manner It occurs in a unidirectional manner Occurs only when λ phase has infected E. coli Always uses T7 DNA polymerase when infected by T7 phage It occurs in bidirectional manner ANSWER DOWNLOAD EXAMIANS APP
DNA Replication Which of the following repairs nicked DNA by forming a phosphodiester bond between adjacent nucleotides? Helicase DNA ligase DNA gyrase Topoisomerases Helicase DNA ligase DNA gyrase Topoisomerases ANSWER DOWNLOAD EXAMIANS APP
DNA Replication The enzyme that catalyzes the synthesis of DNA is called DNA gyrase DNA polymerase helicase DNA ligase DNA gyrase DNA polymerase helicase DNA ligase ANSWER DOWNLOAD EXAMIANS APP
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