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The main enzymes involved in DNA replication are: Helicase: unwinds the double helix into two strands Polymerase: adds nucleotides to an existing strand Ligase: brings togeth â¦ er the Okazaki fragments Topoisomerase: cuts and rejoins the helix RNA primase: catalyzes the synthesis of RNA primers Hope this helps!
Helicases are enzymes that bind and may even remodel nucleic acid or nucleic acid protein complexes. There are DNA and RNA helicases. DNA helicases are essential during DNA replication because they separate double-stranded DNA into single strands allowing each strand to be copied.During DNA replication, DNA helicases unwind DNA at positions called origins where synthesis will be initiated.DNA helicase continues to unwind the DNA forming a structure called the replication fork, which is named for the forked appearance of the two strands of DNA as they are unzipped apart.here are DNA and RNA helicases. DNA helicases are essential during DNA replication because they separate double-stranded DNA into single strands allowing each strand to be copied. During DNA replication, DNA helicases unwind DNA at positions called origins where synthesis will be initiated.