Compare and contrast the structures and functions of simple sugars and complex carbohydrates.

Complex carbohydrates contain longer chains of sugar molecules than simple carbohydrates. The body converts these sugar molecules into glucose, which it uses for energy. As complex carbohydrates have longer chains, they take longer to break down and provide more lasting energy in the body than simple carbohydrates.

Simple Sugars or Simple Carbohydrates can help regulate blood sugar level, while Complex Carbohydrates are what gives the body a main energy source.

This the the structural difference between them:

Simple sugars are called monosaccharides, made up of single sugar molecules.

Complex carbohydrates are made up of sugar molecules that are strung together in long, complex chains. Complex carbohydrates (polysaccharides) comprise starches and dietary fibers. Because they are polysacchrarides they have multiple molecules molecular bonded together.