Final answer:
Disaccharides are sugar molecules composed of two monosaccharides linked together. Common disaccharides include lactose, maltose, and sucrose. Lactose is made up of a glucose molecule and a galactose molecule and is found naturally in milk. Maltose is formed by a dehydration reaction between two glucose molecules. Sucrose is composed of a glucose molecule and a fructose molecule and is commonly known as table sugar.
Step-by-step explanation:
Disaccharides are sugar molecules composed of two monosaccharides linked together. Common disaccharides include lactose, maltose, and sucrose. Lactose is made up of a glucose molecule and a galactose molecule and is found naturally in milk. Maltose is formed by a dehydration reaction between two glucose molecules. Sucrose is composed of a glucose molecule and a fructose molecule and is commonly known as table sugar.