What type of carbohydrate is composed of two monosaccharides?

Disaccharides are a specific type of carbohydrate formed when two monosaccharides are linked together through a glycosidic bond. Common examples of disaccharides include sucrose (which is made from glucose and fructose) and lactose (composed of glucose and galactose). Their structure distinguishes them from monosaccharides, which are the simplest form of carbohydrates, and polysaccharides, which consist of many monosaccharide units. Oligosaccharides contain a small number of monosaccharides, typically ranging from three to ten, but they are not specifically limited to just two. This definition and structural characteristic clearly position disaccharides as the correct answer.