試題詳解

23. Which of the following descriptions of the nucleoside uridine does not apply to the structure of the molecule?
(A) The uracil base is directly bonded to the 1' position of ribofuranose in the α position.
(B) The ribofuranose moiety is found in only the D configuration.
(C) Nitrogen, at position 1 in the uracil base, is directly bonded to the ribofuranose moiety.
(D) The 5' OH group is replaced with phosphate(s) in the nucleotide structure.
(E) none of the above