Limiting Factors and Measuring Rate of Respiration

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Limiting Factors for Respiration

  • Enzymes - 
    • increased temperature
    • change in pH
    • change in substance/enzyme concentrations
    • inhibitors
  • Oxygen - 
    • final electron acceptor
  • Efficiency of Aerobic Respiration - 
    • only 32% efficient
    • some energy lost as heat
    • some ATP is used for active transport of pyruvate into mitochondria
    • some ATP is used removing hydrogen ions from NADH
    • some protons leak across mitochondrial membrane, so not all are available to generate ATP from glycolysis to mitochondria

Measuring Rate of

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