Which disaccharide is comprised of two glucose molecules?

Maltose is classified as a disaccharide formed by the condensation of two glucose molecules. During this process, a glycosidic bond is established between the two glucose units, resulting in maltose. This particular disaccharide is commonly found in malted foods and beverages, as it is produced during the breakdown of starch by enzymes.

To gain a broader understanding, the other disaccharides listed in the options consist of different combinations of sugars. Lactose is made up of glucose and galactose, while sucrose consists of glucose and fructose. Galactose, on the other hand, is a monosaccharide and not a disaccharide, further distinguishing it from maltose. By recognizing the unique composition of maltose, it becomes clear why it is the only disaccharide formed from two glucose molecules.