CYTOSINE

Cytosine

Cytosine is one of the four main bases found in DNA and RNA, along with adenine, guanine, and thymine . It is a pyrimidine derivative, with a heterocyclic aromatic ring and two substituents attached . The nucleoside of cytosine is cytidine. In Watson-Crick base pairing, it forms three hydrogen bonds with guanine.

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cytosine

Noun

  1. A base, C4H5N3O, which pairs with guanine in DNA and RNA.


The above text is a snippet from Wiktionary: cytosine
and as such is available under the Creative Commons Attribution/Share-Alike License.

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