cytosine Hear it!

cytosine definition

cy·to·sine (sīt′ō sēn′)

noun

a pyrimidine base, CHNO, contained in the nucleic acids of all tissue: it links with guanine in the DNA structure

Etymology: Ger zytosin < zyt-, cyto- + -os, -ose + -in, -ine

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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