Answer :

Helicase unzips the DNA double helix.

A group of enzymes known as helicases is regarded to be essential for all living things. Their major job is to unravel the genetic code of a creature. Helicases are motor proteins that use the energy from ATP hydrolysis to move in one direction along a nucleic acid phosphodiester backbone and separate two hybridized nucleic acid strands.

Helicases are quite important as without them the DNA replication process cannot proceed. Thus, play important role in replication.

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