DNA Replication Which of the following possesses both 5'-3' and 3'-5' exonuclease activity? Taq DNA polymerase DNA polymerase III None of these Kornberg enzyme Taq DNA polymerase DNA polymerase III None of these Kornberg enzyme ANSWER DOWNLOAD EXAMIANS APP
DNA Replication Which of the following statements on replication in E.coli is correct? It occurs in bidirectional manner Always uses T7 DNA polymerase when infected by T7 phage Occurs only when λ phase has infected E. coli It occurs in a unidirectional manner It occurs in bidirectional manner Always uses T7 DNA polymerase when infected by T7 phage Occurs only when λ phase has infected E. coli It occurs in a unidirectional manner 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 Helicases Single-stranded binding proteins Topoisomerases DNA polymerases Helicases Single-stranded binding proteins ANSWER DOWNLOAD EXAMIANS APP
DNA Replication Proofreading activity to maintain the fidelity of DNA synthesis occurs after the synthesis has been completed occurs in prokaryotes but not eukaryotes is a function of the 3'-5' exonuclease activity of the DNA polymerases requires the presence of an enzyme separate from the DNA polymerases occurs after the synthesis has been completed occurs in prokaryotes but not eukaryotes is a function of the 3'-5' exonuclease activity of the DNA polymerases requires the presence of an enzyme separate from the DNA polymerases ANSWER DOWNLOAD EXAMIANS APP
DNA Replication Both strands of DNA serve as templates concurrently in replication mismatch repair excision repair none of these replication mismatch repair excision repair none of these ANSWER DOWNLOAD EXAMIANS APP
DNA Replication The synthesis of DNA by DNA polymerase occurs in the 5' to 5' direction 5' to 3' direction 3' to 5' direction 3' to 3' direction 5' to 5' direction 5' to 3' direction 3' to 5' direction 3' to 3' direction ANSWER DOWNLOAD EXAMIANS APP
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