guanine (redirected from Guanin (Fish))

guanine /gua·nine/ (gwah´nen) a purine base, in animal and plant cells usually occurring condensed with ribose or deoxyribose to form guanosine and deoxyguanosine, constituents of nucleic acids. Symbol G.

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gua·nine (gwänn)

n. Abbr. G

A purine base that is an essential constituent of both RNA and DNA.

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guanine

G; a purine base, one of the fundamental components of nucleic acids (DNA and RNA).