Compare and contrast the features of eukaryotic DNA and RNA

Both DNA and RNA a nucleic acids, made up of nucleotides, that encode genetic information. A nucleotide is a molecule composed of phosphate, sugar and a base, and these nucleotides bind to one another to form a strand, much like a chain. In the case of DNA, the sugar present is called deoxyribose and the bases are adenine (A), thymine (T), guanine (G) and cytosine (C), and these bases on one strand are able to form bonds with complementary bases on another strand (A always binds T, and G always binds C), thus forming a double stranded helix. DNA is found in the nucleus of the cell. RNA on the other hand contains the sugar ribose, and the base uracil (U) instead of T (all other bases and their complementary pairings are otherwise the same). Though the bases of RNA are able to bind to one another like those of DNA, RNA exists almost always as single strands. These are found in the cytoplasm of the cell.

SA
Answered by Sophia A. Biology tutor

3474 Views

See similar Biology A Level tutors

Related Biology A Level answers

All answers ▸

Describe how the alveoli are adapted for gas exchange


What is the structure of a biological cell membrane?


Describe how different types of blood vessel are structurally adapted for their purpose.


How does the body bring blood glucose concentration from a high level back to normal?


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