what macromolecule contains units called monosaccharides
Unit 5: Review. Macromolecules Lab. Continue. Carbohydrates are composed of monomers called the monosaccharides, or simple. sugars. Monosaccharides contain C, H. and O in a ratio of 1:2:1. Glucose, fructose, and. galactose are monosaccharides and have the molecular formula, C. 6H.