guanine Hear it!

guanine definition

gua·nine (gwä′nēn′, -nin)

noun

a crystalline purine base, CHNO, contained in the nucleic acids of all tissue: it links with cytosine in the DNA structure

Etymology: < guano (a commercial source of the base) + -ine

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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