cytosine: Meaning and Definition of
Pronunciation: (sī'tu-sēn", -zēn", -sin), [key]
— n. Biochem.
- a pyrimidine base, CHNO, that is one of the fundamental components of DNA and RNA, in which it forms a base pair with guanine. Symbol: C Cf. cytidine, cytidine monophosphate.
- cytosine (Thesaurus)
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