The term anomer of glucose refers to

Options

A. isomers of glucose that differ in configurations at C-1 and C-4
B. a mixture of (D)-glucose and (L)-glucose
C. enantiomers of glucose
D. isomers of glucose that differ in configuration at (C-1)

Answer

D

Explanation

Anomers of glucose are cyclic diastereomers (epimers) differing in configuration at C-1 existing in two forms `alpha` and `beta` respectively.