what monosaccharides form sucrose
Disaccharides and Glycosidic Bonds. Monosaccharides such as glucose can be linked together in condensation reactions. For example, sucrose (table sugar) is formed from one molecule of glucose and one of fructose, as shown below. Molecules composed of two monosaccharides are called disaccharides. Click on the step numbers to see the steps in the formation of sucrose. Click on the mouse icon at left to clear the steps to see them again.