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UNIT 4 - RESPIRATION




FOUR STAGES IN AEROBIC RESPIRATION
1. Glycolysis ­ making pyruvate from glucose
2. Link reaction - converting pyruvate to acetyl coenzyme A
3. Krebs cycle ­ producing reduced coenzymes and ATP
4. Oxidative phosphorylation ­ producing a large amount of ATP

GLYCOLYSIS
o Splitting one glucose…

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UNIT 4 - RESPIRATION




From Krebs Cycle: 1CoA reused in link reaction,
oxaloacetate regenerated for use in Krebs Cycle,
2CO2 released as waste product,
1ATP used for energy,
3reducedNAD and 1reduced FAD used in oxidative
phosphorylation

OXIDATIVE PHOSPHORYLATION
o Where energy carried by electrons from reduced coenzymes (reduced NAD &…

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