Question

A typical disacchride, maltose is composed of

• A. $ \beta $ -glucose and $ \beta $ -galactose
• B. $ \alpha $ -glucose and $ \alpha $ -fructose
• C. $ \alpha $ -sucrose and $ \beta $ -glucose
• D. two units of similar glucose

Answer 1

Answer: (D)

Maltose or malt sugar is abundantly found in germinating starchy seeds. This disaccharide is a homydisacchrides of two similar $D$-glucose residues. These two unit of glucose are linked by $ \alpha - 1, 4$-glycosidic bond.