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Unformatted text preview: ults in a total of 4 NADH and 1 FADH2 molecules. In the electron transport chain, each NADH produces 3 ATP, each FADH2 produces 2 ATP. Net result = 14 ATP molecules per pyruvate. 12) Where do glycolysis, the citric acid cycle and the electron transport chain occur in the cell? Which of these three processes produces NADH? Which of these consumes NADH? Glycolysis occurs in the cytosol, the citric acid cycle in the mitochondrial matrix, and electron transport in the inner mitochondrial membrane. Citric Acid Cycle makes 3 NADH on each turn, electron transport chain consumes NADH. Glycolysis produces 2 NADH per glucose molecule. 13) What is FADH2? Which is responsible for more ATP production, NADH or FADH2? Why? FADH2 is derived from riboflavin, is the reduced form of FAD, and serves as a coenzyme e- carrier from the Krebs cycle to the electron transport chain. FADH2 generates only 2 molecules of ATP versus 3 from NADH since it enters the ETC at an intermediate location (lower E level = fewer H+ made to drive production of ATP via chemiosmosis). 3 Proble...
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This note was uploaded on 10/16/2010 for the course BILD 1 taught by Professor Boulanger during the Spring '08 term at UCSD.
- Spring '08