Why is it important to eat a well-balanced diet that provides the lesser elements as well as trace elements to the body? 28. Prepare a table that includes: the names of the four main types of biological molecules (macromolecules), the elements they contain, their monomers, functions, and examples of each. 29. Sucrose is a disaccharide, consisting of glucose and fructose (each of which has the chemical formula, but different structures) covalently bonded together by dehydration synthesis. Explain why the chemical formula for sucrose is C12​H22​O11​