DNA helicase is important in DNA replication - explain why.

DNA helicase acts to unwind the 2 strands of DNA by breaking the Hydrogen bonds between them. This means that free nucleotide bases can be attracted and bind to the exposed bases.

RM
Answered by Rachel M. Biology tutor

10972 Views

See similar Biology A Level tutors

Related Biology A Level answers

All answers ▸

Describe three differences between a motor neurone and a sensory neurone.


State the difference between Apoplastic and symplastic pathways of water movement in plants


What is the importance of aerobic respiration?


Some populations of animals that have never been hunted show very low levels of genetic diversity. Other than hunting, suggest two reasons why populations might show very low levels of genetic diversity.


We're here to help

contact us iconContact ustelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

MyTutor is part of the IXL family of brands:

© 2026 by IXL Learning