Cell resp notes

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Cellular Respiration note and diagrams

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Cell resp notes

  1. 1. Honors Biology - December 12th, 2011SWBAT: Explain the process of cellularrespiration.Warm Up: Get a colored pencil or pen to dohomework corrections1.) Name the two steps of photosynthesis INORDER.2.) The organelle where photosynthesis takesplace is the ___.3.) Write the equation for chemosynthesis:
  2. 2. photosynthesis water Cellular Respiration Carbon dioxide ATP Oxygen autotroph Glucose chemical energy heterotroph
  3. 3. Compare and Contrast: Photosynthesis Cellular Respiration Organelle Involved Is it Performed by Autotrophs, Heterotr ophs or Both? Reactants Products
  4. 4. An Introduction to Cellular Respiration: C6 H12O6 + O2 --> CO2 + H2O + ATPDefinitio n: The 3-step process by which glucose molecules are broken down to release usable energyOccurs in ALL cells, both eukaryotes and prokaryotesProkaryotes do entire process within their cytoplasm because they do not have mitochondria
  5. 5. Step 1 of 3: Glycolysis ("Glucose-breaking")C6H12O6 enters the cytoplasm 2 NADH + H are created. These skip step 2 and move directly to step 3. Glycolysis 2 pyruvic acid are created. These move to step 2. 4 ATP are created. . . . . .2 of those ATP are released . . .and 2 of those ATP are reused immediately
  6. 6. Steps 2 and 3: The Krebs Cycle and Electron Transport Chain 2 ATP CO2 Oxygen oxygen water 32 ATP Step 2: Krebs Cycle Step 3: Electron Transport Chainpyruvic acid from glycolysis NADH + H and FADH2 NADH + H from glycolysis made for ETC
  7. 7. For your notes: Oxygen NADH + H CytoplasmC6H12O6 Pyruvic Acid Krebs Cycle (Citric Electron Acid Cycle) FADH2 Transport Chain Glycolysis NADH + H Mitochondria Oxygen 32 ATP 4 ATP (2 usable) Water 2 ATP CO2
  8. 8. Fermentation: Cellular Respiration in the Absence of Oxygen This is used by prokaryotes for ALL of their ATP formation This is used in eukaryotes as a quick boost to ATP production We also call this ANAEROBIC RESPIRATION There are two types of fermentation (anaerobic respiration) -- Lactic Acid Fermentation and Alcoholic Fermenation
  9. 9. Alcoholic Fermentation Occurs in Organisms Like Yeast Anaerobically 2 ATPNotice that again, oxygen is NOT used and only 2 ATP are produced
  10. 10. Allows glycolysis to continuemaking 2 ATP when oxygen is notavailable in the correct quantities

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