Glossary:Lysosomes: These are organelles in the cell that can break down lipids, proteins, carbohydrates, and other cell debris. Enzyme: This is a class of proteins that catalyzes different reactions in the body such as transferring phosphate groups, amine groups, or removing –OH groups, or breaking down fats, proteins, and carbohydrates. Published on Jul 27, 2015Last Updated on Dec 11, 2019