Slide 9 - Electron Transport Phospholyration

Slide 9 - Electron Transport Phospholyration - If you want,...

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If you want, press “T” to confirm that you have registered. Reminder: Spark quiz #3 is due before midnight. Today: electron transport phosphorylation fermentation types of reproductive cycles
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Review Glucose is oxidized in stages Glycolysis in the cytoplasm produces 2 ATP and 4 e - (= 2 NADH ) Krebs Cycle – in the mitochondrial “matrix” produces 2 ATP and 10 e - The carbon in glucose is oxidized to CO 2 . Oxidation is removing electrons. It is not reaction with oxygen (O 2 ), at least in this case.
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High energy electrons from the Krebs Cycle (mostly) are carried to the 3 rd stage of energy metabolism: Electron Transport Phosphorylation Each 2 e - in NADH are used to make 3 ATP. Each FADH 2 results in 2 ATP. The electrons are transferred ultimately to oxygen. NADH + ½ O 2 NAD + + H 2 O 3 ADP + 3 P i 3 ATP
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2 e - + 2 H + ½ O 2 H 2 O 3 ADP + 3 P i 3 ATP This occurs in the inner membrane of the mitochondrion. The electrons are “Transported” through a sequence of enzymes embedded in the membrane. animation
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Slide 9 - Electron Transport Phospholyration - If you want,...

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