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Glucose Metabolism: Energy Yield
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Glucose Metabolism: Energy Yield

Glucose Metabolism
  • GLYCOLYSIS
    • Occurs in the cytosol
    • Anaerobic
    • Inputs: 1 Glucose
    • Outputs: 2 Pyruvates, 2 ATP, 2 NADH
  • PYRUVATE DECARBOXYLATION
    • Occurs in the matrix
    • Aerobic
    • Input: 2 Pyruvates
    • Outputs: 2 Acetyl CoA, 2 CO2, 2NADH
  • CITRIC ACID CYCLE
Kreb's Cycle or Tricarboxylic Acid Cycle
    • Occurs in the mitochondrial matrix
    • Aerobic
    • Input: 2 Acetyl CoA
    • Output: 4CO2, 2ATP, 6NADH, 2FADH2
  • OXIDATIVE PHOSPHORYLATION
    • Electron transport
    • Chemiosmosis
    • Aerobic
    • Inputs: 10 NADH, 2FADH2
    • Outputs: 30-34 ATP
  • Total ATP Output: 30-38 ATP
    • Intertextual variation exists: exact calculations beyond the scope of this tutorial.
    • Approximates yield for both eukaryotes & prokaryotes.