Lipids. Draw a glycerol molecule. Draw 3 fatty acid molecules. Then combine them to show a triacylglerol (fat) plus 3 waters below the arrow. 1 glycerol + 3 fatty acids 1 triglyceride 3 waters a. Circle the 3 hydroxyl groups on the glycerol molecule above and label them. b. Circle the carboxyl groups on the 3 fatty acids and label them