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guanine

   Also found in: Dictionary/thesaurus, Encyclopedia, Wikipedia, Hutchinson 0.06 sec.
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.
gua·nine (gwänn)
n. Abbr. G
A purine base that is an essential constituent of both RNA and DNA.

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

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A substitution of cytosine for guanine, also located in VD 1, resulted in Gln instead of Glu at amino acid position 117, as found in genotype B and strain 6BC (numbering according to the ompA amino acid sequence of the C.
Adenine (A) binds with thymine (T), and guanine (G) pairs with cytosine (C).
Table 1 DNA stoichiometry (18) sums over adenine (A) and thymine (T) as well as cytosine (C) and guanine (G) are given because these molecules are paired.
 
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