Biology 1002B Lecture Notes - Lecture 7: Pyruvate Dehydrogenase Complex, Citric Acid Cycle, Acetyl-Coa
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8 Feb 2013
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Lecture 7: energy transformation ii: characteristics of atp. Energy carrier: role of c-h bond in bioenergetics. Take potential free energy in ch bond and conserve energy into atp: role of redox potential in bioenergetics. Carriers arranged from more negative to positive redox potential where e- are readily easy to give up: role of fad, nad+ as electron carriers. Carry electrons and help create a proton gradient which helps synthesize atp: location, products, distribution in nature and purpose of pathways such as glycolysis, ca cycle, respiratory electron transport etc. Glycolysis: cytosol, splitting of glucose into 2 molecules of pyruvate, no carbon is loss, oxygen is not needed (anaerobic) since no oxygen present in ancient anaerobic organisms, energy in glucose used to reduce 2nad+ to 2nadh. Potential energy in 2 pyruvate molecules since some electrons are loss: consume (energy investment) atp in order to make a net 2 atp.
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