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Cellular Respiration and ATP Production in Mitochondria

This review provides information on the different stages of cellular respiration, including glycolysis, Krebs cycle, and electron transport chain. It also discusses the role of mitochondria and the production of ATP.

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Cellular Respiration and ATP Production in Mitochondria

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  1. Review 9.1 • ______ MATRIX • ______ INTERMEMBRANE SPACE • ______ CYTOPLASM • ______ OUTER MEMBRANE • ______ INNER MEMBRANE (CRISTAE) • ______ Place where GLYCOLYSIS happens D B E A C E

  2. Review 9.1 • Name the TWO new high energy electron carriers used during cellularrespiration that are different than the one used for photosynthesis. _________ _________ • How many ATP molecules are added to get glycolysis started? _________ • Since glycolysis produces 4 ATP molecules, this results in a NET GAIN of _____ ATP’s NAD FAD 2 2

  3. KREBS CYCLE &ELECTRON TRANSPORTChapter 9-2 http://www.clickatutor.com/mitochondria.jpg http://www.therunningdoctor.com/runinjuries.htm

  4. REMEMBER:The “fork in the road” happens following glycolysis. The presence or absence of _______________decides which path it takes next. OXYGEN

  5. Image from BIOLOGY Miller and Levine; Prentice Hall Publishing KREBS CYCLE _______________ follows glycolysis if oxygen is present

  6. REMEMBER: Glycolysis happens in the ________________ outside the mitochondria. Krebs cycle happens in _____________ inside the mitochondria CYTOPLASM MATRIX

  7. Krebs cycle is also known as the ________ ________ cycle, because _________ __________ is one of the first products. Krebs cycle is the ____________ stage of cellular respiration. What was the first stage? Citric acid Citric acid second Glycolysis

  8. Begins when _______________ enters the _________________ PYRUVIC ACID MITOCHONDRION Diagram by Riedell

  9. Pyruvic acid = ___ carbon atoms 3 • One carbon atom will becomes part of ________ __________and eventually released into the atmosphere. • The other two carbon atoms are used in reactions to convert NAD+ to NADH and FAD to FADH2 • These molecules carry the high energy electrons to the _________ _________chain carbon dioxide electron transport

  10. WHERE DO THESE GO? Carbon dioxide is released into the ________________ High energy electron carriers move into the ____________________ atmosphere ELECTRON TRANSPORT CHAIN

  11. ELECTRON TRANSPORT ___________ ____________ is the third stage of cellular respiration.

  12. Electron Transport • Located on inner membrane of _______________ • Uses high-energy electrons from the Krebs cycle to convert ADP into ______ mitochondrion ATP

  13. 2 • If anaerobic, the product of glycolysis is _______ ATP molecules • If aerobic, the cell can extract many more ATP molecules. The Krebs cycle and the electron transport chain enable the cell to produce an additional _______ ATP molecules. • Glycolysis + Krebs+ ET chain equals of total of ________ ATP molecules 34 36

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