All of the Energy We Need to Run Our Bodies

All of the energy we need to run our bodies comes from the food we eat.Which statement is false concerning this energy consumption?

A) Metabolism reverses the process of photosynthesis and produces energy from glucose
B) More oxygen is required to burn one gram of a fatty acid than to burn one gram of glucose
C) Proteins are not used by the body to provide energy
D) The body converts glucose into carbon dioxide and water in one fast reaction