cytosine (redirected from Cytosine nucleotides)

cy·to·sine  (st-sn)

n. Abbr. C

A pyrimidine base, C₄H₅N₃O, that is the constituent of DNA and RNA involved in base pairing with guanine.

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[cyt(o)- + (rib)os(e) + -ine.]

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cytosine [ˈsaɪtəsɪn]

n

(Life Sciences & Allied Applications / Biochemistry) a white crystalline pyrimidine occurring in nucleic acids; 6-amino-2-hydroxy pyrimidine. Formula: C₄H₅N₃O See also DNA, RNA

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cytosine  (st-sn)

A pyrimidine base that is a component of DNA and RNA, forming a base pair with guanine. Chemical formula: C₄H₅N₃O.

Thesaurus

Noun

1.

cytosine - a base found in DNA and RNA and derived from pyrimidine; pairs with guanine C deoxyribonucleic acid, desoxyribonucleic acid, DNA - (biochemistry) a long linear polymer found in the nucleus of a cell and formed from nucleotides and shaped like a double helix; associated with the transmission of genetic information; "DNA is the king of molecules" ribonucleic acid, RNA - (biochemistry) a long linear polymer of nucleotides found in the nucleus but mainly in the cytoplasm of a cell where it is associated with microsomes; it transmits genetic information from DNA to the cytoplasm and controls certain chemical processes in the cell; "ribonucleic acid is the genetic material of some viruses" pyrimidine - any of several basic compounds derived from pyrimidine