cytosine
English
![](http://upload.wikimedia.org/wikipedia/commons/thumb/1/10/Cytosine_chemical_structure.png/250px-Cytosine_chemical_structure.png)
Etymology
After German Cytosin, cyto- + -ose + -ine.
Pronunciation
Noun
cytosine (plural cytosines)
- (biochemistry) A heterocyclic base, 4-aminopyrimidin-2(1H)-one, which pairs with guanine in DNA and RNA (by means of three hydrogen bonds).
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Translations
Translations
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