Select all that apply How do lipids differ from carbohydrates? They are formed from different basic elements. The hydrogen-oxygen ratio is different. They are not soluble in water. They release less energy.

Which of these has happened to your food by the time it reaches your small intestine? a. all the macromolecules have been broken down completely. b. lipids and starches have been partially broken down. c. starches and proteins have been partially broken down. d. proteins and lipids have been broken down into subunits.