C4H5N3O
cytosine cy"to*sine (s[imac]"t[-o]*s[i^]n or s[imac]"t[-o]*s[=e]n), n. (Biochemistry) A pyrimidine ({C4H5N3O}) which is one of the four major basic components of DNA and RNA in most organisms, forming glyosides with ribose and deoxyribose. It is the basic component of cytidine, deoxycytidine, cytosine, cytidine monophosphate, and derivatives of those compounds. [PJC]

The Collaborative International Dictionary of English. 2000.

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  • cytosine — cy to*sine (s[imac] t[ o]*s[i^]n or s[imac] t[ o]*s[=e]n), n. (Biochemistry) A pyrimidine ({C4H5N3O}) which is one of the four major basic components of DNA and RNA in most organisms, forming glyosides with ribose and deoxyribose. It is the basic …   The Collaborative International Dictionary of English

  • cytosine — noun Etymology: International Scientific Vocabulary cyt + ose + 2 ine Date: 1894 a pyrimidine base C4H5N3O that codes genetic information in the polynucleotide chain of DNA or RNA compare adenine, guanine, thymine, uracil …   New Collegiate Dictionary

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  • List of biomolecules — This page aims to list articles on Wikipedia that describe particular biomolecules or types of biomolecules.This list is not necessarily complete or up to date if you see an article that should be here but isn t (or one that shouldn t be here but …   Wikipedia

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