Outline the process of DNA replication

During DNA replication the double-stranded DNA helix is separated to single strands by the enzyme DNA helicase. This exposes the nucleic acid bases that encode the genetic sequence. Replication is then initiated from multiple points throughout the chromosome and elongated by the enzyme DNA polymerase, which adds the complementary nucleotide to each nucleotide in the single stranded DNA template. Once the entirety of the chromosome has been replicated, replication is terminated. The process of replication results in two chromosomes that both have one strand from the original chromosome and one strand newly synthesised.

LW
Answered by Lorna W. Biology tutor

3520 Views

See similar Biology A Level tutors

Related Biology A Level answers

All answers ▸

The events that take place during interphase and mitosis lead to the production of two genetically identical cells. Explain how.


How is the tertiary structure of an enzyme important to its function?


A mutation of a tumour suppressor gene can result in the formation of a tumour. Explain how. Not all mutations to the gene result in a tumour. Explain how.


Describe the events that occur at synaptic junction that result in an action potential in the post synaptic membrane.


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