10-08-09 - The energy input and output of glycolysis...

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Glucose Metabolism Overview of three major steps Glycolysis Krebs (Citric Acid) Cycle Electron Transport Chain
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Glycolysis Overview Enzymatic steps ATP/NADH generation Summary
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Figure 9.9 A closer look at glycolysis: energy investment phase (Layer 2)
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Figure 9.9 A closer look at glycolysis: energy payoff phase (Layer 4)
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Energy investment phase Glucose 2 ADP + 2 P 2 ATP used formed 4 ATP Energy payoff phase 4 ADP + 4 P 2 NAD + + 4 e + 4 H + 2 NADH + 2 H + 2 Pyruvate + 2 H 2 O 2 Pyruvate + 2 H 2 O Glucose Net 4 ATP formed – 2 ATP used 2 ATP 2 NAD + + 4 e + 4 H + 2 NADH + 2 H + Figure 9.8
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Unformatted text preview: The energy input and output of glycolysis CYTOSOL MITOCHONDRIO N NAD + NADH + H + 2 1 3 Pyruvate Transport protein CO 2 Coenzyme A Acetyl CoA Figure 9.10 Conversion of pyruvate to acetyl CoA, the junction between glycolysis and the citric acid cycle Krebs cycle Overview Production of ATP, NADH, FADH 2 CO 2 release Pyruvate NAD + NADH + H + Acetyl CoA CO 2 CoA CoA CoA Citric acid cycle FADH 2 FAD CO 2 2 3 3 NAD + + 3 H + ADP + P i ATP NADH Figure 9.11 An overview of the citric acid cycle...
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10-08-09 - The energy input and output of glycolysis...

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