Lec8Notes - 10/3/10 Albert Szent-Gyorgyi Nobel Prize, 1937...

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10/3/10 1 Albert Szent-Gyorgyi Nobel Prize, 1937 Identified most steps of the Krebs Cycle Isolated vitamin C Pioneered the chemistry of muscle contraction Light energy CO 2 + H 2 O organic molecules + O 2 Heat energy photosynthesis respiration ecosystem C 6 H 12 O 6 + 6 O 2 6 CO 2 + 6 H 2 O + Energy Respiration ("combustion") Δ G = – 686 kcal/mole Organic compounds + Oxygen + Water + Energy Carbon dioxide Na + Cl Na + + Cl - Respiration Example 1: becomes oxidized becomes reduced 2 Na + Cl 2 2 Na + + 2 Cl - Respiration Example 1 (more precisely): 2 Na 2 Na + + 2 e - Cl 2 + 2 e - 2 Cl - Respiration Example 2:
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10/3/10 2 C 6 H 12 O 6 + 6 O 2 6 CO 2 + 6 H 2 O + Energy Respiration Organic compounds + Oxygen + Water + Energy Carbon dioxide What is being oxidized/reduced? A. The carbons in the glucose are reduced. B. The carbons in the glucose are oxidized. C. The molecular oxygen is reduced. D. A and C E. B and C C 6 H 12 O 6 + 6 O 2 6 CO 2 + 6 H 2 O + Energy Glycolysis Citric acid cycle Oxidative
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Lec8Notes - 10/3/10 Albert Szent-Gyorgyi Nobel Prize, 1937...

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