Definition of cytosine in English:


Line breaks: cyto|sine
Pronunciation: /ˈsʌɪtəsiːn


[mass noun] Biochemistry
A compound found in living tissue as a constituent base of DNA. It is paired with guanine in double-stranded DNA.
More 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:

Get more from Oxford Dictionaries

Subscribe to remove ads and access premium resources

Word of the day rebuff
Pronunciation: rəˈbəf
reject (someone or something) in an abrupt manner…