Which of the Following is a Source of Energy That

Question

Which of the following is a source of energy that animals oxidize in order to synthesize ATP?
A)O2
B)carbohydrates
C)CO2
D)lipids
E)proteins

Accepted Answer

Carbohydrates, lipids, and proteins are all sources of energy that animals can oxidize in order to synthesize ATP. Choice A (O₂) and choice C (CO₂) are not valid sources of energy.