Question

monomers are simple sugars like glucose, fructose, or galactose. some polysaccharides have only one type of monomer, while other polysaccharides have two or more different types of monomers. select the polysaccharide.

Explanation:

A polysaccharide is a polymer made of many (more than two) monosaccharide (simple sugar) units linked together. The first structure is a single monosaccharide (like glucose). The second structure has two monosaccharide units (a disaccharide). The third structure has multiple (three or more) monosaccharide units linked, so it is a polysaccharide.

Answer:

The third structure (the one with multiple repeating sugar units connected).