A. can be used as an energy source by organisms
B. can be bonded together to construct DNA molecules
C. are made up of the glucose monomer
D. are monomers that can be made into large polymer chains
Carbohydrates, proteins, and fats are digested in the intestine, where they are broken down into their basic units: Carbohydrates into sugars. Proteins into amino acids.Fats into fatty acids and glycerol.
