4.6 Fermentation, Summaries of Biochemistry

Fermentation is an anaerobic process. – occurs when oxygen is not available for cellular respiration. – does not produce ATP.

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4.6 Fermentation
KEY CONCEPT
Fermentation allows the production of a small
amount of ATP without oxygen.
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KEY CONCEPT

Fermentation allows the production of a small amount of ATP without oxygen.

Fermentation allows glycolysis to continue.

  • Fermentation is an anaerobic process.
    • occurs when oxygen is not available for cellular respiration
    • does not produce ATP
  • Fermentation allows glycolysis to continue making ATP when oxygen is unavailable.

Fermentation and its products are important in several ways.

  • Alcoholic fermentation is similar to lactic acid fermentation. - glycolysis splits glucose and the products enter fermentation - energy from NADH is used to split pyruvate into an alcohol and carbon dioxide - NADH is changed back into NAD+ - NAD+^ is recycled to glycolysis
  • Fermentation is used in food production.
    • yogurt
    • cheese
      • bread