Biology

The correct answer is B.glucose.

The main monomer that makes up carbohydrate macromolecules is glucose (or other monosaccharides, depending on the type of carbohydrate). Carbohydrates are polymers made of simple sugar monomers (monosaccharides), and glucose is one of the most common and important of these monosaccharides.

Here’s why the other options are not correct:

A.Cellulose is a polysaccharide made up of glucose monomers. It is not a monomer ...