There are four classes of macromolecules (polysaccharides or carbohydrates, triglycerides or lipids, polypeptides or proteins, and nucleic acids such as DNA & RNA). Carbohydrates and lipids are made of only carbon, hydrogen, and oxygen (CHO). Proteins are made of carbon, hydrogen, oxygen, and nitrogen (CHON).
Chlorophyll is a large molecule composed of hydrogen, carbon, oxygen, and magnesium coordinated with four central nitrogen atoms.
We don’t know the graphic organiser acc I’m waffling buy yh try asteroids