question_answer

\[\alpha \]-maltose consists of

A)  one \[\alpha \]-D-glucopyranose unit and one \[\beta \] -D-glucopyranose unit with 1-2 glycosidic linkage

B)  two \[\alpha \]-D-glucopyranose units with 1-2 glycosidic linkage

C)  two \[\beta \]-D-glucopyranose units with 1-4 glycosidic linkage

D)  two \[\alpha \]-D-glucopyranose units with 1-4 glycosidic linkage

Correct Answer: D

Solution :

In maltose 1st carbon atom of one \[\alpha \]-D- glucopyranose unit is linked to 4th carbon atom of adjacent \[\alpha \]-D glucopyranose unit through glycosidic linkage.