Sucrose is a dimer of carbohydrates; it is a disaccharide. Other examples of disaccharides are lactose (found in milk) and maltose. Disaccharides are made up of monomers of carbohydrates, or monosaccharides. Some examples of monosaccharides are glucose, fructose, and galactose. Sucrose is commonly known as table sugar, which comes from sugar canes. It is known for its sweet taste and white, crystal-like appearance.