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Cellular Respiration

Cellular Respiration. What is cellular respiration?. What do you notice about this equation?. How is the energy stored?. Where does it happen?. Starts in cytoplasm Finishes in the mitochondria. Step One: Glycolysis. Where? Glucose is split in half, making two pyruvates .

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Cellular Respiration

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  1. Cellular Respiration

  2. What is cellular respiration? • What do you notice about this equation?

  3. How is the energy stored?

  4. Where does it happen? • Starts in cytoplasm • Finishes in the mitochondria

  5. Step One: Glycolysis • Where? • Glucose is split in half, making two pyruvates. • Energy from the broken bond makes • It also makes NAD+ into

  6. Step Two: Kreb’s Cycle • Where? • Acetyl CoA is made using oxygen. • What else is made?

  7. Kreb’s Cycle (continued) • Acetyl CoA is broken down. • Energy is captured: • NAD+  • FAD+ 

  8. Step Three:Electron Transport Chain and from Glycolysis and Kreb’s Cycle use their energy to do an electron transport chain just like the one in photosynthesis, making and water.

  9. Summary • Glycolysis • Where? • What was made? • What is necessary to go to the next step? • Kreb’s Cycle • Where? • What was made? • Electron Transport Chain • Where? • What was made? • Total ATP from one glucose?

  10. What if there is no oxygen? • Fermentation happens after glycolysis. • In animals, pyruvate is turned into lactic acid. • In yeast and bacteria, pyruvate is turned into alcohol. • No more ATP is made, but is turned back into NAD+ so glycolysis can continue. • This is called anaerobic respiration.

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