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Biology 21 Online
OpenStudy (anonymous):

What is the role of DNA helicase during DNA replication?

OpenStudy (anonymous):

To unwind the duplex DNA.

OpenStudy (abb0t):

DNA helicase is a molecular motor-protein that separates (unwinds are @Sabo stated above) the two strands of DNA. It runs along the DNA to unwind it and while doing so, it converts chemical energy into mechanical energy. Additionally, it couples conformational changes induced by ATP or NTP binding and hydrolysis of the duplex nucleic acid.

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