DNA Replication Which of the following repairs nicked DNA by forming a phosphodiester bond between adjacent nucleotides? DNA gyrase Helicase Topoisomerases DNA ligase DNA gyrase Helicase Topoisomerases DNA ligase ANSWER DOWNLOAD EXAMIANS APP
DNA Replication Which of the following possesses both 5'-3' and 3'-5' exonuclease activity? DNA polymerase III Kornberg enzyme None of these Taq DNA polymerase DNA polymerase III Kornberg enzyme None of these Taq DNA polymerase ANSWER DOWNLOAD EXAMIANS APP
DNA Replication During which of the following process a new copy of a DNA molecule is precisely synthesized? Trasformation Transcription Translation Replication Trasformation Transcription Translation Replication ANSWER DOWNLOAD EXAMIANS APP
DNA Replication Which of the following statements on replication in E.coli is correct? Occurs only when λ phase has infected E. coli Always uses T7 DNA polymerase when infected by T7 phage It occurs in a unidirectional manner It occurs in bidirectional manner Occurs only when λ phase has infected E. coli Always uses T7 DNA polymerase when infected by T7 phage It occurs in a unidirectional manner It occurs in bidirectional manner ANSWER DOWNLOAD EXAMIANS APP
DNA Replication The synthesis of DNA by DNA polymerase occurs in the 3' to 5' direction 5' to 5' direction 5' to 3' direction 3' to 3' direction 3' to 5' direction 5' to 5' direction 5' to 3' direction 3' to 3' direction ANSWER DOWNLOAD EXAMIANS APP
DNA Replication Which of the following enzymes unwind short stretches of DNA helix immediately ahead of a replication fork? Topoisomerases DNA polymerases Single-stranded binding proteins Helicases Topoisomerases DNA polymerases Single-stranded binding proteins Helicases ANSWER DOWNLOAD EXAMIANS APP
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