BB lecture 10-22-08 respiration I

BB lecture 10-22-08 respiration I - Chapter 9 (pp.162-172)...

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Unformatted text preview: Chapter 9 (pp.162-172) Cellular Respiration (aerobic respiration) Learning objectives Apply your understanding of exergonic/endergonic rx, anabolic/catabolic rx, energy- coupled processes and ATP/ADP cycles to metabolic pathways . Understand that for synthesis pathways cells need both ATP and high energy electrons ( which is the purpose of cellular respiration ) Write the general reaction that depicts aerobic respiration Define oxidation; reduction; oxidizing agent; and reducing agent Recall what coenzymes are and what they do. Know the primary coenzymes involved in the metabolic pathways of cellular respiration Know what goes in and what comes out of the glycolysis pathway Recall that Rx that release E are: exergonic spontaneous negative G catabolic (degradativecomplex simple molecules) regenerate ATP from ADP + Pi Rx that require E input are: endergonic non-spontaneous positive G anabolic (synthesissimple complex molecules) results in ATP hydrolysis to ADP + Pi Coupling of exergonic rx provides energy for endergonic rx to proceed Enzymes facilitate both rx types by lowering activation energy for reactants to become products Metabolic pathways are regulated by feedback mechanisms to allosteric enzymes Cells obtain energy energy is obtained from catabolic reactions by oxidizing organic fuels, and by the transfer of hi-energy electrons from one substance ( oxidation rx) to another substance ( reduction rx) - oxidation-reduction reactions are known as redox reactions ,...
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BB lecture 10-22-08 respiration I - Chapter 9 (pp.162-172)...

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