What makes up a DNA nucleotide?

-A phospate group  -A hexose sugar (deoxyribose) -A nitrogenous base (A, G, C or T)

AT
Answered by Augusta T. Biology tutor

3945 Views

See similar Biology A Level tutors

Related Biology A Level answers

All answers ▸

Explain why the atrioventricular valves open and close during the cardiac cycle.


A myelinated axon conducts impulses faster than a non-myelinated axon. Explain this difference:


Mr & Mrs Smith have a child who has Cystic Fibrosis, yet they do not personally suffer from the condition. Explain, with the use of genetic crosses, how this is possible and, if they had another child, how likely the second child will have Cystic Fibrosis


How does the body's response to a second infection by a bacterial pathogen differ from the first? (3 marks)


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