noun Скачать 🔗Поделиться Гуанин 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. " Ученый изучил содержание гуанина в образцах ДНК из древних окаменелостей. biochemistry biology chemistry substance compound Чат с ИИИгра со словамиПрактика чтения