What enzymes unzips DNA and breaks the hydrogen bonds?

1 Answer
Saliha
Jan 8, 2018

Helicases

Explanation:

Helicases are enzymes involved in unzipping of the double stranded DNA molecule at beginning of DNA replication. They do so by binding at DNA sequences called origins on DNA molecule then they break the hydrogen bonds between complementary base pairs causing the two strands of DNA molecule to unzip.

After the action of helicases, DNA replication fork is formed which is basically for the convenient copying of the daughter DNA strands from the parental ones i.e leading and lagging strands.
https://www.slideshare.net/MsAllenBio/dna-replication-6839852

Hope it helps...

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