3 7 cell respiration

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  • 1. Jessie, Diego, Ting-Ting, MychiKey Vocabulary Words: 1) Cell Respiration: The controlled release of energy in the form of ATP from organic compounds in cells 2) ATPase: The enzyme needed to catalyse the hydrolysis reaction of ATP breaking down into ADP and releasing 30.7kJ of energy 3) Phosphorylation: The process of adding a phosphate group to ADP (to synthesise ATP) 4) Glycolysis: In cell respiration, glucose in the cytoplasm breaks down into pyruvate (three-carbon compound) with a small yield of ATP 5) Anaerobic Respiration: Respiration without using oxygen; Pyruvate in the cytoplasm is either converted into lactate (in humans) or ethanol and carbon dioxide (in yeast), with no yield of ATP 6) Aerobic Respiration: Respiration using oxygen; Pyruvate in the mitochondria breaks down into carbon dioxide and water with a large yield of ATP. 7) Lactic Fermentation: Pyruvate breaks down into lactate (lactic acid) in humans - in anaerobic respiration 8) Alcohol Fermentation: Pyruvate breaks down into alcohol and carbon dioxide in yeast - in anaerobic respiration *Remember, cellular respiration is not the same as breathing* Cellular respiration is the controlled release of energy from organic compounds in cells to from ATP.
  • 2. Jessie, Diego, Ting-Ting, Mychi Aerobic respiration occurs in the presence of oxygen. Reactions continue in the mitochondria.Anaerobic respiration occurs in the absence of oxygen
  • 3. Jessie, Diego, Ting-Ting, MychiSimilarities and differences between Aerobic and Anaerobic Respiration: