BSCI170: Cellular Respiration - Krebs Cycle

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9 Terms

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Where does it occur

  • eukaryotes: mitochondrial matrix

  • prokaryotes: cytosol

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Characteristics of the krebs cycle

  • amphibolic (both catabolic and anabolic)

  • closed cycle

  • takes the 2 carbons from acetyl-coA and releases them as CO2

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Net gain

  • 2 CO2

  • 1 ATP/GTP by SLP

  • 3 NADH

  • 1 FADH2

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Isocitrate  → Ketoglutarate

  • 1 NAD+ → 1 NADH

  • CO2

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Ketoglutarate → Succinyl-CoA

  • 1 CO2

  • 1 NAD+ → 1 NADH

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Succinyl CoA → Succinate

  • 1 ADP → 1 ATP

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Succinate → Fumarate

  • 1 FAD → 1 FADH2

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Malate → Oxaloacetate

  • 1 NAD+ →NADH

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