BIL 150 Chapter Notes - Chapter 9: Oxidative Phosphorylation, Anaerobic Respiration, Cellular Respiration
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28 Apr 2016
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Anaerobic glycolysis & fermentation is the partial degradation of sugars or other organic fuel that occurs without oxygen. Aerobic respiration where oxygen consumed as reactant along with the organic fuel. Cellular respiration includes both aerobic and anaerobic processes: carbs, fats and proteins all consumed as fuel, organic compounds + o2 co2 + water + energy, degrading glucose: C6h12o6 + 6o2 6co2 + 6 h2o + 36 or 38 atp. Redox reactions: transfer of e- during chemical reactions releases stored energy in organic molecules. Glucose broken down in a series of steps: if gasoline tank explodes can"t power car very far; same thing with glucose, at key steps e- stripped from glucose and each e- travels with a p+ (hydrogen) Hydrogen not directly transferred to oxygen and instead passed 1st to e- carrier, coenzyme called nad+ E- acceptor it functions as oxidizing agent during respiration: enzymes called dehydrogenases remove pair h+ atoms from substrate (glucose) thereby oxidizing it.
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