4 A reaction that needs water,
macromolecules are broken down
( biochemistry )

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.

9. the history of life on earth is recorded in

Explain the process that creates the heat of the sun?