Cellular respiration

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cell respiration (simplified)

cell respiration (simplified)

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  • 1. Cellular Respiration What we do with our energy
  • 2.  
  • 3. Anaerobic vs. aerobic
    • Uses no oxygen
    • Makes a little energy
    • Uses oxygen
    • Makes a lot of energy
  • 4. Overview Of Cellular Respiration
    • Cellular respiration is the process that releases energy by breaking down glucose and other molecules in the presence of oxygen.
      • Occurs in the Mitochondria
  • 5.
    • To release energy from food molecules and make ATP!
    • Why do we need ATP?
      • ATP is the energy molecule needed by our cells
      • Our cells use ATP to make all of the chemical reactions in our body run.
    Purpose of cellular respiration?
  • 6. Summary equation for Respiration
  • 7. What if there is no Oxygen?
  • 8. Anaerobic respiration
    • Not enough oxygen for aerobic respiration
    • Fermentation-releases energy from food molecules by producing ATP in the absence of oxygen. (Anaerobic = no oxygen)
    • Two types: alcoholic fermentation, lactic acid fermentation
  • 9. Lactic acid vs alcoholic
    • No oxygen
    • Occurs in muscles
    • Pyruvates  lactate
    • Occurs so muscles can continue making ATP
    • Get lactate build up in muscles
    • Causes soreness
    • No oxygen
    • Pyruvate  carbon dioxide & ethanol
    • Seen in yeast and fungus
    • Used to make beverages, food, makes dough rise
  • 10. Overall
    • Cellular Respiration breaks down Glucose (C 6 H 12 O 6) .
    • It produces H 2 O and CO 2
    • It produces 36 ATPs!
  • 11. Comparing Photosynthesis & Cellular Respiration Photosynthesis Cellular Respiration Function Energy capture Energy Release Location Chloroplasts Mitochondria Reactants Carbon dioxide and water Glucose and oxygen Products Glucose and oxygen Carbon dioxide and water
  • 12.