Question

select the polysaccharide.

Explanation:

Polysaccharides are long - chain carbohydrates composed of multiple monosaccharide units. The top structure shows a chain of monosaccharide rings linked together, which is characteristic of a polysaccharide. The middle structure has two monosaccharide units (a disaccharide), and the bottom structure is a single monosaccharide.

Answer:

The top - most structure is the polysaccharide.