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| Aerobic respiration | Anaerobic respiration |
| 1. Oxygen is utilised for the
breakdown of respiratory substrate. 2. It takes place in cytoplasm (glycolysis) and inside mitochondria (Krebs cycle) 3. End products are carbon dioxide and water 4. More energy is released. |
1. Oxygen is not required.
2. It takes place in cytoplasm only. 3. End products are lactic acid or ethanol and carbon dioxide. 4. Less energy is released. |
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| AEROBIC RESPIRATION | ANAEROBIC RESPIRATION |
|---|---|
| The breakdown of glucose in the presence of oxygen to produce more amount of energy is called as aerobic respiration. | The breakdown of glucose in the absence of oxygen to produce energy is called as anaerobic respiration. |
| Chemical Equatio- nGlucose + Oxygen gives Carbon dioxide +water + energy | Chemical Equation- Glucose gives Lactic acid + energy |
| It occurs in The cytoplasm to mitochondria. | Takes place in cytoplasm only. |
| The high amount of energy is produced. | Less amount of energy produced. |
| 38 ATP released. | 2 ATP released. |
| Carbon dioxide and water. | Lactic acid (animal cells), carbon dioxide and ethanol (plant cell). |
| Oxygen and glucose to produce energy. | It does not require oxygen but uses glucose to produce energy. |
| 1. Glycolysis - also called Embden-Meyerhof-Parnas(EMP) pathway.
2. The respiratory chain (electron transport and oxidative phosphorylation). 3. The tricarboxylic acid cycle (TCA), also known as the citric acid cycle or Krebs cycle. |
1. Glycolysis.
2. Fermentation |
| Complete | Incomplete. |
| It is a long process for the production of energy. | It is a fast process in comparison to aerobic respiration. |
| Aerobic respiration occurs in many plants and animals (eukaryotes). | Anaerobic respiration occurs in human muscle cells (eukaryotes), bacteria, yeast (prokaryotes), etc. |
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| Aerobic Respiration | Anaerobic respiration |
| Takes place in the presence of Oxygen | Takes place in the absence of Oxygen |
| More efficient in energy production | Less efficient in energy production |
| Carbon dioxide and water are the end products | Carbon dioxide and Lactic acid/ethanol are the end products |
| Takes Place in animals and plants | Takes Place in animals and plants |
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