Macromolecules of Life Summary Chart There are four major types of molecules that perform important functions in cells. Macromolecule Atoms found in the molecule Subunit that makes macromolecule (monomer) Function (Its job in the cell) Examples (at least 2) Carbohydrates Carbon Hydrogen Oxygen Monosaccharide Energy Glucose Make plant cell walls Starch Carbon Hydrogen Oxygen Glycerol Warmth Butter Fatty acids Long term energy Oils Cholesterol Amino Acids Make cell membranes Structure building Fight infections Beans ENZYMES Soy Code for our traits DNA Lipids Proteins Nucleic Acids Carbon Hydrogen Oxygen Nitrogen Carbon Hydrogen Oxygen Nitrogen Phosphorus Nucleotide Meat RNA Diagram