Question

Maltose is made of the units

• A. $\alpha$-D glucose and $\beta$-D glucose
• B. $\alpha$-D glucose and $\beta$-D fructose
• C. $\alpha$-D glucose and $\alpha$-D glucose
• D. $\alpha$-D glucose and $\beta$-D galactose

Answer 1

Answer: (C)

The disaccharide maltose (malt sugar) is formed by the condensation of two molecules of α-D-glycopyranose in which C₁ of one glucose unit is connected to C₄ of the other glucose unit.