Identifying Disaccharides Among Carbohydrates

Carbohydrates are vital biomolecules that serve various functions within biological systems. They can be classified into monomers, dimers, and polysaccharides, which differ in their structural and functional characteristics. A common simple carbohydrate is glucose, which is a crucial energy source for cells. In addition to serving as energy sources, some carbohydrates also play roles in cell signaling and structural integrity.

Which of the following carbohydrates is classified as a disaccharide?