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

Related Biology A Level answers

All answers ▸

How do nerve impulses travel within a nerve cell?


Genetic engineering can be used to modify the genome of an organism to express desirable characteristics. Outline the steps of producing a recombinant DNA molecule.


What is an autoimmune disease?


How do I gain the full marks in the question "Describe the stages of Eutrophication" (6 marks)?