Distinguish between combustion and respiration.
Combustion: It is the process of burning substances involving oxygen and the production of heat as a result.
Respiration: It is the burning of food in presence of oxygen to release energy.
Combustion | Respiration |
1. This does not require a cell to take place. | 1. It is an exclusively cellular process. |
2. The energy release is rapid and at once. | 2. The energy released is in steps as the reaction proceeds. |
3. It does not require the assistance of enzymes to happen. | 3. This process is driven by enzymes that are involved in each step. |