Skip to Content
Ribonucleic Aci ...

Ribonucleic Acid

By Boyang Zhao

Ribonucleic acid (RNA), a nucleic acid, consists of nucleotides. Each nucleotide is made up of a ribose, a phosphate group, and a nitrogenous base, which can either be adenine, cytosine, guanine, uracil. RNA differs from DNA in that RNA has uracil in place of thymine and has ribose in place of deoxyribose.

In addition to functional groups attached on the RNA molecule, the ability for RNA to form hydrogen bonds with other molecules and with itself allows it to be very diversed and multifunctional. In recent years, numerous non-coding RNAs (ncRNAs) have been found. The accumulation of these non-coding RNAs in the RNA databases has given the suggesion that ncRNAs may play an important role in many important mechanisms in eukaryotic cells. Some of the more well known types of ncRNAs include transfer RNAs (tRNAs), ribosomal RNAs (rRNAs), microRNAs, small interfering RNAs (siRNAs), small nucleolar RNAs (snoRNAs), small nuclear RNAs (snRNAs), small modulatory RNAs (smRNAs), and Piwi interacting RNAs (piRNAs) (Costa, 2007).

References and Further Readings
  • Campbell NA,Reece JB. 2005. Biology 7th Edition. San Francisco (CA): Benjamin Cummings. 1312 p.
  • Costa FF. 2007. Non-coding RNAs: Lost in translation?. Gene 386:1-10.
Last updated: Mon Feb 19 2007 22:30:54 GMT
Creative Commons License This article "Ribonucleic Acid" is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 2.5 License and is copyrighted by Boyang Zhao.
This website (excluding articles) is copyrighted © 2005-2008 by Boyang Zhao. All rights reserved. Copyright Notice | Privacy Policy | Disclaimers