Metabolic Functions Period1

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Metabolic Functions Period1

  1. 2. Why/Where do metabolic functions occur? <ul><li>We have metabolic functions within our bodies and cells because they produce energy and fundamental components essential to human life. </li></ul><ul><li>Metabolic Functions occur in the cytosol and the mitochondria. </li></ul>
  2. 3. Anaerobic Respiration <ul><li>Anaerobic: Without oxygen; with lactic acid. </li></ul><ul><li>Mainly used by bacteria that live in places devoid of oxygen. </li></ul><ul><li>The three main steps of cell respiration are still used, just without oxygen </li></ul><ul><li>Final electron acceptor still functions but replaces oxygen with sulfate (SO4) nitrate (NO3) and sulfur (S) </li></ul>
  3. 4. Aerobic Respiration <ul><li>Aerobic: With oxygen. </li></ul><ul><li>Breakdown of glucose to carbon dioxide and water in the presence of oxygen. </li></ul><ul><li>Most productive pathway of cellular respiration </li></ul><ul><li>Produces 34 ATP molecules </li></ul>
  4. 5. Adenosine Triphosphate <ul><li>More commonly known as ATP. </li></ul><ul><li>ATP is synthesized and used in: </li></ul><ul><ul><li>Glycolysis </li></ul></ul><ul><ul><li>Electron Transport Chain </li></ul></ul><ul><ul><li>The Krebs Cycle (The Citric Acid Cycle) </li></ul></ul><ul><ul><li>All of these functions make up both Aerobic and Anaerobic respiration within a cell. </li></ul></ul>
  5. 6. Glycolysis <ul><li>Glycolysis occurs in the cytosol, the liquid portion of cytoplasm. </li></ul><ul><li>Products: 2 ATP, 2 NADH, 2 Pyruvate Molecules </li></ul><ul><li>Glycolysis is the process that converts glucose to pyruvate. </li></ul><ul><li>http:// www.youtube.com/watch?v =x-stLxqPt6E </li></ul>
  6. 7. The Krebs Cycle <ul><li>Aerobic respiration. </li></ul><ul><li>In eukaryotic cells, this occurs in the mitochondrion. </li></ul><ul><li>Products: 1 ATP, 3 NADH, 2 CO2, 1 QH2 </li></ul><ul><li>http:// www.youtube.com/watch?v =aCypoN3X7KQ </li></ul>
  7. 9. Electron Transport Chain <ul><li>Process: Special carrier molecules bring the high-energy electrons to a series of enzymes that convert remaining energy to more ATP molecules </li></ul><ul><li>Products: Heat and H 2 O </li></ul><ul><li>Creation of hydrogen ion gradient </li></ul><ul><li>http:// www.youtube.com/watch?v =Idy2XAlZIVA </li></ul>
  8. 10. Electron Transport System:

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