Which is a difference between proteins and carbohydrates and fats?
A
Proteins are macromolecules; carbohydrates and fats are not.B
Proteins are composed of monomers; carbohydrates and fats are not.C
Carbohydrates and fats contain carbon, hydrogen, and oxygen; proteins do not.D
Excess carbohydrates and fats are stored; excess proteins are not.