Classify the following into monosaccharides and disaccharides:
Ribose,$2-$deoxyribose,maltose,galactose,fructose,and lactose.

(N/A) Monosaccharides are carbohydrates that cannot be hydrolyzed further into simpler polyhydroxy aldehydes or ketones. These include: Ribose,$2-$deoxyribose,galactose,and fructose.
Disaccharides are carbohydrates that yield two molecules of the same or different monosaccharides upon hydrolysis. These include: Maltose and lactose.