Anaerobic Respiration


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Anaerobic Respiration

  • Doesn't need oxygen.
  • Two types of anaerobic respiration, but lactate fermentation is the only one needed for exam.
  • Lacatate fermentation occurs in animals and produces lactate.
  • Process:
    • Glucose is converted to pyruvate via glycolysis.
    • Reduced NAD (from glycolysis) transfers hydrogen to form lactate and NAD.
    • NAD can be reused in glycolysis.
  • The production of lactate regenerates NAD.
  • Meaning glycolysis can take place even when little oxygen is present, so a small amount of ATP can be produced to keep some biological processes going.
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Anaerobic Respiration

Lactic acid needs to be broken down:

  • Animals can break down in two ways:
    • 1)Cells can convert the lactic acid back to pyruvate.
    • 2)Liver can convert the lactic acid back to glucose.
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