[ad-n-in, -een, -ahyn]
- Biochemistry. a purine base, C5H5N5, one of the fundamental components of nucleic acids, as DNA, in which it forms a base pair with thymine, and RNA, in which it pairs with uracil. Symbol: A
Origin of adenine
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Examples from the Web for adenine
Adenine and guanine are constituents of all nucleic acids (see below) and, hence, are found in all plant and animal tissues.The Chemistry of Plant Life
Roscoe Wilfred Thatcher
- a purine base present in tissues of all living organisms as a constituent of the nucleic acids DNA and RNA and of certain coenzymes; 6-aminopurine. Formula: C 5 H 5 N 5; melting pt: 360–365°C
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Word Origin and History for adenine
Online Etymology Dictionary, © 2010 Douglas Harper
- A purine base that is a constituent of DNA and RNA and an important energy transport and storage component in cellular metabolism.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
- A purine base that is a component of DNA and RNA, forming a base pair with thymine in DNA and with uracil in RNA. Adenine is also part of other biologically important compounds, such as ATP, NAD, and vitamin B-12, and occurs in tea. Chemical formula: C5H5N5.
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