How does the body of a 100m sprinter produce energy for this event?

After fertilization, which type of cellular division is responsible for the growth and development of a complex, multicellular organism?

What best explains the inability for life to exist in earth early atmosphere

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.