guanine
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gua·nine
(gwä′nēn′)n. Abbr. G
A purine base, C5H5ON5, that is an essential constituent of both RNA and DNA.
[From guano, in which it is found.]
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.
guanine
(ˈɡwɑːniːn; ˈɡuːəˌniːn)n
(Elements & Compounds) a white almost insoluble compound: one of the purine bases in nucleic acids. Formula: C5H5N5O
[C19: from guano + -ine2]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
gua•nine
(ˈgwɑ nin)n.
a purine base, C5H5N5O, that is a fundamental constituent of DNA and RNA, in which it forms base pairs with cytosine. Symbol: G Compare guanosine.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
gua·nine
(gwä′nēn′) A base that is a component of DNA and RNA, forming a base pair with cytosine.
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.
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Noun | 1. | guanine - a purine base found in DNA and RNA; pairs with cytosine 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" |
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