noun🔗ShareGuaninA substance first obtained from guano; it is a nucleic base and pairs with cytosine in DNA and RNA (by means of three hydrogen bonds)."The scientist studied the guanine content in the DNA samples from the ancient fossils. "Der Wissenschaftler untersuchte den Guanin-Gehalt in den DNA-Proben der alten Fossilien.biochemistrybiologychemistrysubstancecompoundChat with AIVocabulary GamePractice Reading
