The function of DNA polymerase I is to replace RNA primer with DNA. On which strand would you expect DNA polymerase I to be more active?
A: the leading strand
B: the lagging strand
C: equally active on both strands
D: neither , only DNA polymerase III is involved in synthesis
A: the leading strand
B: the lagging strand
C: equally active on both strands
D: neither , only DNA polymerase III is involved in synthesis
举一反三
- What is the function of RNA primer during DNA replication? A: to provide a 3’ OH group for DNA polymerase B: to provide a 5’ OH group for DNA polymerase C: to provide a 3’ phosphate group for DNA polymerase D: to provide a 5’ phosphate group for DNA polymerase E: to provide a hydrogen bond for double strand of DNA .
- The 5'→3' exonuclease activity of intact DNA polymerase I can replace a segment of DNA (or RNA) paired to the template strand, in a process known as ____________________.
- In<br/>E.coli, the RNA primer at the beginning of each Okazaki fragment is is removed by 。 A: DNA polymerase B: DNA polymerase I C: DNA polymerase II D: DNA polymerase
- DNA replication, one of the new strands will grow continuously, it is<br/>called () A: Continuous strand B: Faster strand C: Leading strand D: Lagging strand
- If the DNA strand shown below is used as a template for RNA polymerase, what would be the sequence of the resultant mRNA following transcription? 5'-CATTCCATAGCATGT-3'