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Question

Distinguish between combustion and respiration.


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Solution

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.

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