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Aerobic respiration

Anaerobic respiration

1. Requires oxygen

Does not require oxygen

2. Complete oxidation of respiratory substrate takes place.

Incomplete oxidation of respiratory substrate takes place.

3. Reactions take place in mitochondria and Cytoplasm.

Complete process takes place in cell cytoplasm only.

4. Large amount of energy is liberated.

Less amount of energy is liberated.

5. Efficiency is about 40%.

Efficiency is about 2.12%

6. End products produced include carbon dioxide and water.

End products produced include ethyl alcohol and carbon dioxide.

7. Consists of three steps: Glycolysis, Krebs cycle and terminal oxidation.

Consists of two steps: Glycolysis and incomplete break-down of pyruvate

8. It involves Electron transport.

Electron Transport is absent.

 

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