Chemistry - Biomolecules Question with Solution | TestHub

Cane sugar (sucrose) is a disaccharide composed of $\alpha$-D-glucose and $\beta$-D-fructose.

Lactose is a disaccharide composed of $\beta$-D-galactose and $\beta$-D-glucose.

Maltose is a disaccharide composed of two $\alpha$-D-glucose units.

Raffinose is a trisaccharide composed of galactose, glucose, and fructose.

Therefore, raffinose is not a disaccharide.

Answer: Raffinose