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单词 uridine
释义 uridine Biochem.|ˈjʊərɪdiːn|
[ad. G. uridin (Levene & Jacobs 1910, in Ber. d. Deut. Chem. Ges. XLIII. 3152), f. ur-acil uracil: see -idine.]
A pyrimidine nucleoside, C5H9O4·C4H3N2O2, in which the base is uracil and the sugar ribose, and which is a constituent of RNA and various intermediates in cell matabolism.
1911Jrnl. Chem. Soc. C. i. 96 Nitrous acid effects the quantitative elimination of the amino-group from cytidine, and uridine is obtained.1946[see nucleoside].1970R. W. McGilvery Biochemistry xx. 477 Uridine triphosphate can be used for nucleic acid synthesis or in the formation of metabolic intermediates such as uridine diphosphate glucose.1976Sci. Amer. Feb. 33/2 RNA..differs from DNA in that all the thymidine units are replaced by uridine.
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