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.
- 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.
For editors and proofreaders
Line breaks: cyto|sine
Definition of cytosine in:
What do you find interesting about this word or phrase?
Comments that don't adhere to our Community Guidelines may be moderated or removed.