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Respiration & Fermentation Chapter 9

Respiration & Fermentation Chapter 9. Standard 1g. 1g: Students know the role of mitochondria in making stored chemical bond energy available to cells by completing the breakdown of glucose to carbon dioxide. Calories.

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Respiration & Fermentation Chapter 9

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  1. Respiration & Fermentation • Chapter 9

  2. Standard 1g • 1g: Students know the role of mitochondria in making stored chemical bond energy available to cells by completing the breakdown of glucose to carbon dioxide.

  3. Calories • In order for animals to survive, they must eat food in order to obtain energy. • Energy is measured in calories • calorie: energy used to raise temperature of 1 gram of water 1 degree Celsius. • Calorie = 1000 calories • The main source of energy for animals is glucose. (3811 calories)

  4. How animals make more batteries (ATP) • Animals use simple sugars like glucose to make ATP • Animals make the majority of the ATP in the mitochondria • There are two ways you can make ATP • With oxygen (aerobic) • Without oxygen (anaerobic)

  5. ATP Section 8-1 Adenine Ribose 3 Phosphate groups Go to Section:

  6. Figure 8-3 Comparison of ADP and ATP to a Battery Section 8-1 ADP ATP Energy Energy Adenosine diphosphate (ADP) + Phosphate Adenosine triphosphate (ATP) Partially charged battery Fully charged battery Go to Section:

  7. Chemical Pathways Section 9-1 Glucose Krebs cycle Electrontransport Glycolysis Alcohol or lactic acid Fermentation (without oxygen) Go to Section:

  8. Respiration: An Overview Mitochondrion Electrons carried in NADH Electrons carried in NADH and FADH2 Pyruvic acid Glucose Electron Transport Chain Krebs Cycle Glycolysis Mitochondrion Cytoplasm Go to Section:

  9. Glycolysis Glucose 2 Pyruvic acid To the electron transport chain Go to Section:

  10. Glycolysis Glucose 2 Pyruvic acid To the electron transport chain Go to Section:

  11. Glycolysis Glucose 2 Pyruvic acid To the electron transport chain Go to Section:

  12. Anaerobic (without oxygen) • Anaerobic = Fermentation • Two types • Lactic Acid Fermentation (occurs in animals) • Alcohol Fermentation (occurs in plants and simple organisms) • Both types of fermentation start with glucose and both end with the production of ATP

  13. 2ADP + 2 2ATP C C C C CC P 2NADH 2 NAD+ C C C C C Glycolysis 2 Ethanol 2 Pyruvic acid 2CO2 released 2 NAD+ 2NADH glucose Alcohol Fermentation • Pyruvic acid + NADH  alcohol + CO2 + NAD+ • Plants and Fungi  beer and wine

  14. Alcohol Fermentation • End Products: Alcohol fermentation • 2 - ATP • 2 - CO2 • 2 - Ethanol’s

  15. Lactic Acid Fermentation Lactic acid Glucose Pyruvic acid Go to Section:

  16. Lactic Acid Fermentation Lactic acid Glucose Pyruvic acid Go to Section:

  17. Lactic Acid Fermentation Section 9-1 Lactic acid Glucose Pyruvic acid Go to Section:

  18. 2ADP + 2 2ATP C C C C CC P 2NADH 2 NAD+ C C C C C C Glycolysis 2 Lactic acid 2 Pyruvic acid 2 NAD+ 2NADH Glucose Lactic Acid Fermentation • Pyruvic acid + NADH  lactic acid + NAD+ • Animals (pain in muscle after a workout).

  19. Lactic Acid Fermentation • End Products: Lactic acid fermentation • 2 - ATP • 2 - Lactic Acids • OW! My muscles ache!

  20. BREAK!

  21. Aerobic (need oxygen) • Respiration = Cellular Respiration = Aerobic Respiration = all describe the same thing • Reactants • Glucose • Oxygen • ADP + P • Products • Carbon dioxide • Water • ATP

  22. glucose ATP Cellular Respiration – “The Simplified Equation” • An oxygen (O2)requiring process that uses energyfrom carbohydrates (glucose) to produce energy (ATP)and water (H2O) and carbon dioxide. • C6H12O6 + 6O2 6CO2 + 6H2O + energy

  23. Flowchart Section 9-2 Cellular Respiration Glucose(C6H1206) + Oxygen(02) Glycolysis KrebsCycle (Citric acid Cycle) ElectronTransportChain Carbon Dioxide (CO2) + Water (H2O) Go to Section:

  24. Citric Acid Production Mitochondrion The Krebs Cycle Go to Section:

  25. The Krebs Cycle Citric Acid Production Mitochondrion Go to Section:

  26. Electron Transport Chain Electron Transport Hydrogen Ion Movement Channel Mitochondrion Intermembrane Space ATP synthase Inner Membrane Matrix ATP Production Go to Section:

  27. RESPIRATION 1 glucose molecule Produces 38 ATP Net 36 ATP FERMENTATION 1 glucose molecule Produces 4 ATP Net 2 ATP You want to make batteries for future use. Which process efficiently produces ATP? Comparison of ATP production between respiration and fermentation

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