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cytosine Syllabification: cy·to·sine
Pronunciation: /ˈsīdəˌsēn/

Definition of cytosine in English:


A compound found in living tissue as a constituent base of nucleic acids. It is paired with guanine in double-stranded DNA.
Example sentences
  • The nitrogen-containing units are the bases: adenine, cytosine, guanine, and uracil.
  • In DNA the bases pair to form a ladder-like structure, with adenine paired with thymine and guanine with cytosine.
  • The derivatives of purine are called adenine and guanine, and the derivatives of pyrimidine are called thymine, cytosine and uracil.
Definition of cytosine in:
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