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guanine: Meaning and Definition of

gua•nine

Pronunciation: (gwä'nēn), [key]
— n. Biochem.
  1. a purine base, CHNO, that is a fundamental constituent of DNA and RNA, in which it forms base pairs with cytosine. Symbol: G&hasp; Cf. guanosine.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
See also:
guanidine guanine deaminase
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