* Carbohydrates: Carbon (C), Hydrogen (H), and Oxygen (O)
* Fats (Lipids): Carbon (C), Hydrogen (H), and Oxygen (O). Some lipids, like phospholipids, also contain Phosphorus (P) and Nitrogen (N).
* Proteins: Carbon (C), Hydrogen (H), Oxygen (O), and Nitrogen (N). Some proteins also contain Sulfur (S) and other trace elements.
Let me know if you'd like more information about any of these elements or their roles in these macromolecules!
