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the chains are first separated by enzymes called helicases.the helicase enzymes move along the DNA molecule and break the hydrogen bonds between the complementary bases separating the chains. then another enzyme called DNA polymerases comes and separates them even more creating new DNA molecules with new DNA and old DNA.

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14y ago

DNA replication requires

DNA polymerase and DNA ligase

During DNA replication, the strands separate by

Unwindase/Helicase

The proof-reading during replication of a DNA molecule to eliminate a wrong in the elongating strand is brought about by

the 3'-exonuclease activity of DNA polymerase I and III

Eukaryotes differ from prokaryotes in mechanism of DNA replication due to

Different enzymes for opening of strands

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Q: What enzyme directs DNA replication?
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Related questions

What is the name of the enzyme that aids in the process of replication?

The enzyme DNA dependent DNA polymerase is essential for DNA replication


What does the helicase enzyme do?

Helicase is an enzyme involved in DNA replication. It unwinds and unzips the parental DNA strand.


What enzyme is involved in DNA replication?

Helicase and DNA polymerase


What enzyme is used to join DNA nucleotides?

In DNA replication, DNA polymerase III is the enzyme which joins the DNA nucleotides together via phospodiester bonds.DNA Ligase is the enzyme that seals gaps in DNA during DNA Replication.DNA Ligase is the enzyme that seals gaps in DNA during DNA Replication.


What major enzyme involved on replication?

DNA Helicase is the major enzyme involved in the replication of DNA. The reason why it is so important is that it unwinds the DNA which creates two separate strands.


Which is the main enzyme used for the replication of DNA in ecoli?

DNA polymerase


Is DNA helicase an enzyme?

Yes, it unwinds the DNA double helix prior to transcription/protein synthesis and DNA replication.


What is Major enzyme involved in replication?

DNA polymerase


Which enzyme unwinds DNA to initiate replication?

Helicase


What enzyne produces a new DNA strand during DNA replication?

The DNA polymerase enzyme produces a new DNA strand during DNA replication


What chemical is an enzyme that add nucleotides to a new strand of DNA during replication?

DNA Polymerase is the enzyme which adds new nucleotides during replication.


Compare the polymerase chain reaction and DNA replication?

PCR need thermostable enzyme like taq DNA polymearse, while in replication using highly proofreading enzyme DNA polymerase. taq enzyme work in very high temprature while in replication our body temprature