gua·nine (gwä n n )n. Abbr. G A purine base, C5H5ON5, that is an essential constituent of both RNA and DNA. [From guano, in which it is found.] |
guanine [ˈgwɑːniːn ˈguːəˌniːn]
n
(Chemistry / Elements & Compounds) a white almost insoluble compound: one of the purine bases in nucleic acids. Formula: C5H5N5O
[from guano + -ine2]
| guanine (gwänn) A purine base that is a component of DNA and RNA, forming a base pair with cytosine. It also occurs in guano, fish scales, sugar beets, and other natural materials. Chemical formula: C5H5ON5. |
ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. | guanine - a purine base found in DNA and RNA; pairs with cytosine purine - any of several bases that are derivatives of purine 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" |
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