HESI A2 Science Practice Test 2026 – All-in-One Guide to Master Your Exam!

When glucose is combined with different monosaccharides, the kind of molecule that is formed depends on the specific types of monosaccharides involved and how they are bonded together. The correct answer is polysaccharide.

A polysaccharide is a long chain of monosaccharides linked together through glycosidic bonds. When glucose combines with other monosaccharides like fructose or galactose, or even more glucose molecules, it can create complex carbohydrates such as starch, glycogen, or cellulose, which are all classified as polysaccharides due to their multi-unit structure.

Disaccharides, on the other hand, are formed by the combination of just two monosaccharides, such as glucose and fructose creating sucrose. Carbohydrates is a broader category that encompasses both simple sugars (monosaccharides and disaccharides) and complex sugars (polysaccharides), but it does not specify the type of molecules involved. Glycogen is a specific type of polysaccharide used for energy storage in animals, which does not encompass all possible products from combining glucose with different monosaccharides.

Thus, the formation of a polysaccharide accurately reflects the combination of glucose with multiple monosaccharides, leading to complex structures.