Curriculum
Science — Second Preparatory
Unit 1: Matter and Energy
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Unit 2: Matter and Chemical Reactions
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Unit 3: Energy Flow in Photosynthesis and Respiration
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Unit 4: Geological Processes
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Text lesson
Cellular Respiration
Cellular Respiration
Aerobic respiration and where it happens
Aerobic respiration and where it happens
- Aerobic respiration takes place in the mitochondria in the presence of oxygen. Its equation is:
C₆H₁₂O₆ + 6O₂ → 6CO₂ + 6H₂O + energy
- This process releases about 2800 kJ per mole of glucose.
- A large part of this energy is stored in molecules of ATP, which supply the cell with energy when it is needed.
- The process happens in stages.
- It starts with the breakdown of glucose in the cytoplasm and is completed inside the mitochondria with the use of oxygen.
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