adenine(redirected from Vitamin B4)
Also found in: Thesaurus, Medical, Encyclopedia.
Related to Vitamin B4: vitamin B complex
n. Abbr. A
A purine base, C5H5N5, that is the constituent involved in base pairing with thymine in DNA and with uracil in RNA.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
adenine(ˈædənɪn; -ˌniːn; -ˌnaɪn)
(Biochemistry) 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: C5H5N5; melting pt: 360–365°C
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
ad•e•nine(ˈæd n ɪn, -ˌin, -ˌaɪn)
a purine base, C5H5N5, one of the fundamental components of nucleic acids, forming a base pair with thymine in DNA and pairing with uracil in RNA. Symbol: A
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
A base that is a component of DNA and RNA, forming a base pair with thymine in DNA and a base pair with uracil in RNA during transcription.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Switch to new thesaurus
|Noun||1.||adenine - (biochemistry) purine base found in DNA and RNA; pairs with thymine in DNA and with uracil in RNA|
biochemistry - the organic chemistry of compounds and processes occurring in organisms; the effort to understand biology within the context of chemistry
purine - any of several bases that are derivatives of purine
deoxyribonucleic acid, desoxyribonucleic acid, DNA - (biochemistry) a long linear polymer found in the nucleus of a cell and formed from nucleotides and shaped like a double helix; associated with the transmission of genetic information; "DNA is the king of molecules"
ribonucleic acid, RNA - (biochemistry) a long linear polymer of nucleotides found in the nucleus but mainly in the cytoplasm of a cell where it is associated with microsomes; it transmits genetic information from DNA to the cytoplasm and controls certain chemical processes in the cell; "ribonucleic acid is the genetic material of some viruses"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.