FUNCTION OF DIGESTION. SBI3U Section 10.1 Pg 402-410. Organic Molecules. Organic molecules are carbon based molecules that are bonded to hydrogen and possibly other atoms such as oxygen, sulfur and nitrogen. . Macromolecules.
Lipids store 2.25 times more energy per gram than other macromolecules and can function as energy storage molecules or form the membrane that separates a cell from its external environment (phospholipid)