Cytosine | Wikipedia audio article
Channel: wikipedia tts
Date: 27/06/2019

This is an audio version of the Wikipedia Article:
https://en.wikipedia.org/wiki/Cytosine


00:00:28 1 History
00:01:23 2 Chemical reactions
00:03:05 3 Theoretical aspects



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SUMMARY
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Cytosine (; C) is one of the four main bases found in DNA and RNA, along with adenine, guanine, and thymine (uracil in RNA). It is a pyrimidine derivative, with a heterocyclic aromatic ring and two substituents attached (an amine group at position 4 and a keto group at position 2). The nucleoside of cytosine is cytidine.  In Watson-Crick base pairing, it forms three hydrogen bonds with guanine.