Describe the function of the enzymes DNA helicase and DNA polymerase.

DNA helicase unwinds DNA by breaking H bonds between DNA strands. DNA polymerase joins adjacent nucleotides by forming phosphodiester bonds between them.

SC
Answered by Susannah C. Biology tutor

2800 Views

See similar Biology A Level tutors

Related Biology A Level answers

All answers ▸

Explain the process that occurs from when the action potential reaches the pre-synaptic knob to transmission in the next neurone. (6 Marks)


Could you explain the structure of the plasma membrane to me? (A level)


How does the sliding filament theory work?


When a nerve impulse arrives at a synapse, it causes the release of neurotransmitter from vesicles in the presynaptic knob. Describe how.


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:

© 2025 by IXL Learning