試題詳解

1. Which of the following statements is true?
(A) Xylose is a tetrose.
(B) D-galactose and D-glucose are epimeric at C-4.
(C) The anomer of α-D-glucopyranose is α-L-glucopyranose.
(D) Sucrose is a reducing sugar.
(E) Mild oxidation of β-D-glucopyranose with alkaline Cu (II) (Fehling’s solution) produces D-glucuronic acid.