noun Télécharger 🔗Partager Guanine A substance first obtained from guano; it is a nucleic base and pairs with cytosine in DNA and RNA (by means of three hydrogen bonds). Examples : "The scientist studied the guanine content in the DNA samples from the ancient fossils. " Le scientifique a étudié la teneur en guanine dans les échantillons d'ADN provenant des fossiles anciens. biochemistry biology chemistry substance compound Chat avec IAJeu de vocabulairePratiquer la lecture