Proteins and carbohydrates have many functions in the body of an organism. Specific proteins and carbohydrates perform specific tasks. Information about a protein and a carbohydrate is given below. , , . Ferritin. , , Ferritin is a protein containing iron, which is needed by all living things. Iron is found in hemoglobin and in cytochromes, which function in metabolism. Free iron can damage proteins, lipids and nucleic acids. . , , Glycogen. . , Glycogen is a carbohydrate that consists of glucose molecules. It can be hydrolyzed as glucose as needed by an organism. How are ferritin and glycogen similar in their primary functions for an organism