The Stages of Respiration (OCR A-Level Biology A): Flashcards

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The Stages of Respiration
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Glycolysis location

Cytosol

Link reaction location

Mitochondrial matrix

Krebs cycle location

Mitochondrial matrix

Oxidative phosphorylation location

Cristae (inner mitochondrial membrane)

Glycolysis products from 1 glucose

2 pyruvate, net 2 ATP, 2 reduced NAD

Link reaction products (1 glucose)

2 acetyl CoA, 2 reduced NAD, 2 CO₂

Krebs cycle products per turn

3 reduced NAD, 1 reduced FAD, 2 CO₂, 1 ATP

Decarboxylation definition

Removal of CO₂ from a substrate molecule

Chemiosmosis definition

Proton flow through ATP synthase producing ATP

Total ATP yield per glucose (aerobic)

30-32 ATP

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