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Dictionary

cy•to•sine

Pronunciation: (sī'tu-sēn", -zēn", -sin), [key]
—n. Biochem.
a pyrimidine base, C₄H₅N₃O, 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.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

cytoplast

cytosine arabinoside

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