Most of a Cell's ATP Is Produced Within Its Mitochondria

Multiple Choice

Most of a cell's ATP is produced within its mitochondria.What gas do mitochondria require to produce ATP,and what gas results?

A) Carbon dioxide is required to produce ATP,and oxygen is released in the process.
B) Oxygen is required to produce ATP,and carbon dioxide is released in the process.
C) Nitric oxide is required to produce ATP,and nitrogen is released in the process.
D) Nitrogen is required to produce ATP,and nitric oxide is released in the process.
E) Hydrogen is required to produce ATP,and nitric oxide is released in the process.