noun🔗ShareAdeninaA base, C5H5N5, found in certain glands and tissues, which pairs with thymine in DNA and uracil in RNA."Simple Sentence: "In a DNA strand, adenine always pairs with thymine, like two puzzle pieces fitting together." "En una cadena de ADN, la adenina siempre se empareja con la timina, como dos piezas de rompecabezas que encajan.biochemistrybiologychemistrycompoundsubstanceelementChat with AIVocabulary GamePractice Reading