Which of these nucleotide bases is NOT present in RNA: Cytosine, Thymine, Guanine, Adenine, Uracil

The correct answer is: Thymine.The four bases found in DNA molecules are Cytosine, Guanine, Adenine and Thymine but in RNA molecules, the Thymine base is replaced by Uracil.

Answered by Frankie S. Biology tutor

18614 Views

See similar Biology A Level tutors

Related Biology A Level answers

All answers ▸

What is Mitosis?


Describe the function of ribosomes in protein synthesis.


How is water reabsorption carried out in the kidney?


What is the difference between the function of a receptor and the function of an effector.


We're here to help

contact us iconContact usWhatsapp logoMessage us on Whatsapptelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

© MyTutorWeb Ltd 2013–2025

Terms & Conditions|Privacy Policy
Cookie Preferences