Share this entry

Share this page

cytosine

Line breaks: cyto|sine
Pronunciation: /ˈsʌɪtəsiːn
 
/

Definition of cytosine in English:

noun

[mass noun] Biochemistry
A compound found in living tissue as a constituent base of DNA. 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:

Share this entry

Share this page

 

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day tenebrous
Pronunciation: ˈtɛnɪbrəs
adjective
dark; shadowy or obscure