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KEY CONCEPT Fermentation allows the production of a small amount of ATP without oxygen. PowerPoint Presentation
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KEY CONCEPT Fermentation allows the production of a small amount of ATP without oxygen. - PowerPoint PPT Presentation


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KEY CONCEPT Fermentation allows the production of a small amount of ATP without oxygen. Fermentation allows glycolysis to continue. Fermentation allows glycolysis to continue making ATP when oxygen is unavailable. Fermentation is an anaerobic process.

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fermentation allows glycolysis to continue
Fermentation allows glycolysis to continue.
  • Fermentation allows glycolysis to continue making ATP when oxygen is unavailable.
  • Fermentation is an anaerobic process.
    • occurs when oxygen is not available for cellular respiration
    • does not produce ATP
slide3
Fermentation allows glycolysis to continue making ATP when oxygen is unavailable.
  • NAD+ is recycled to glycolysis
  • Lactic acid fermentation occurs in muscle cells.
    • glycolysis splits glucose into two pyruvate molecules
    • pyruvate and NADH enter fermentation
    • energy from NADH converts pyruvate into lactic acid
    • NADH is changed back into NAD+
fermentation and its products are important in several ways
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