Answer :

Helicase moves outward from the origin of replication and breaks hydrogen bonds between DNA nucleotides .

Replication is the process were DNA makes multiple copies it self .Helicases are enzymes that assists to binding and remodeling of nucleic acid or nucleic acid protein complexes. They functions for unwinding the DNA in the process of replication .Helicase is one of the most essential enzyme  in DNA replication .

DNA helicase separate two strands of the DNA for the process of replication . This enzyme also help to unwind the DNA and create a replication fork by breaking down the hydrogen bond.

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