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Chapter 8

Chapter 8. Section 3 Anaerobic Respiration Fermentation. Anaerobic Respiration. Anaerobic Respiration Requires NO Oxygen ! Organisms that use only anaerobic respiration include: Prokaryotic: Bacteria, Yeast Eukaryotic: Some Fungi, Many aquatic invertebrates. Anaerobic Respiration.

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Chapter 8

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  1. Chapter 8 Section 3 Anaerobic Respiration Fermentation

  2. Anaerobic Respiration • Anaerobic Respiration Requires NO Oxygen! • Organisms that use only anaerobic respiration include: • Prokaryotic: Bacteria, Yeast • Eukaryotic: Some Fungi, Many aquatic invertebrates

  3. Anaerobic Respiration • The anaerobic pathway that follows glycolysis is called FERMENTATION • It occurs in the CYTOPLASM and regenerates the carrier molecules, which allow glycolysis to loop.

  4. Two main types of fermentation • Lactic acid fermentation • Alcohol fermentation

  5. Lactic acid fermentation • The PYRUVATE made during glycolysis is converted to lactic acid. • Although it produces no ATP, this process replenishes the carrier molecules required to run glycolysis

  6. Alcohol fermentation • The PYRUAVTE made during glycolysis is converted to ethyl alcohol by releasing a molecule of CARBON DIOXIDE. • Although it produces no ATP, this process replenishes the carrier molecules required to run glycolysis (which does)

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