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Summary OCR A-Level Biology 5.7.1 Cellular Respiration
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Revision summary of key knowledge from OCR A-Level Biology 5.7.1 Cellular Respiration.
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Cellular RespirationTypes of Respiration
Aerobic
Glucose + Oxygen -> Carbon Dioxide + Water + Energy
C₆H₁₂O₆ + O₂ -> 6CO₂ + 6H₂O + 36 ATP
Anaerobic
Glucose -> Lactate (Lactic Acid) + Energy
C₆H₁₂O₆ -> 2C₃H₆O₃ + 2ATP
Fermentation (Anaerobic Yeast)
Glucose -> Carbon Dioxide + Ethanol + Energy
C₆H₁₂O₆ -> 2CO₂ + 2C₂H₅OH + 2ATP
Stages of Respiration
Glycolysis – breakdown of glucose
Link Reaction – links glycolysis to the Krebs cycle
Krebs Cycle –
Oxidative phosphorylation –
Need for Respiration
Active transport DNA replication
Endocytosis Cell divison
Exocytosis Movement
Synthesis of large molecules Activation of chemicals
Anabolic – small to large molecules – synthesis
Catabolic – large to small molecules – hydrolysis
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