noun🔗ShareシトシンA heterocyclic base, 4-aminopyrimidin-2(1H)-one, which pairs with guanine in DNA and RNA (by means of three hydrogen bonds)."In the DNA sequence, cytosine always pairs with guanine, like two puzzle pieces fitting together. "DNA配列において、シトシンは常にグアニンと対になり、まるで2つのパズルのピースが組み合わさるようです。chemistrybiologybiochemistrycompoundsubstanceChat with AIVocabulary GamePractice Reading