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Cellular Respiration
Description/definition of        cellular respiration When an organism breaks down glucose and transfers glucose or chemic...
Cellular Aerobic RespirationC6H12O6 + 6O2   6CO2 + 6H2O + energy
Mitochondrial Structure Intermembrane Space              Outer Membrane                       MatrixInner Membrane        ...
Mitochondria• Double membrane & Cristae  – Increases surface area for cellular respiration to    occur  – Location of the ...
Recall      Electron Carrier Molecules• NADH• FADH2
Process of Cellular Respiration                      Glycolysis         Without O2                With O2                 ...
The First Process of Cellular Respiration                   Glycolysis•   Occurs in the Cytoplasm•   Does not require oxyg...
Glycolysis• Series of 10 reactions• Glucose is split into two smaller molecules  called PYRUVATE or pyruvic acid• 2 ATP ar...
Glycolysis AnimationClick on the link above to view the animation
Process of Cellular Respiration              Glycolysis Without O2
Without OxygenAnaerobic Respiration
Anaerobic Fermentation•   Occurs in the cytoplasm•   Does not produce ANY ATP•   Regenerates NAD+ for reuse in glycolysis•...
Alcoholic Fermentation• Plants Cells• Used to produce alcoholic beverages and to make bread• Pyruvic acid (pyruvate) is co...
Lactic Acid Fermentation•   Animal Cells•   Used to produce yogurt and cheese•   Cause soreness in muscle cells•   Pyruvic...
What’s the point of fermentation?      Glycolysis            –     2 ATP      Fermentation          –     0 ATP      Total...
Cellular respiration part 1
Cellular respiration part 1
Cellular respiration part 1
Cellular respiration part 1
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Cellular respiration part 1

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Transcript of "Cellular respiration part 1"

  1. 1. Cellular Respiration
  2. 2. Description/definition of cellular respiration When an organism breaks down glucose and transfers glucose or chemical energyinto ATP or cellular energy/usable energy. Both plants AND animals use cellular respiration to transfer energy.
  3. 3. Cellular Aerobic RespirationC6H12O6 + 6O2 6CO2 + 6H2O + energy
  4. 4. Mitochondrial Structure Intermembrane Space Outer Membrane MatrixInner Membrane Cristae
  5. 5. Mitochondria• Double membrane & Cristae – Increases surface area for cellular respiration to occur – Location of the Electron Transport Chain• Matrix – Location of the Krebs cycle
  6. 6. Recall Electron Carrier Molecules• NADH• FADH2
  7. 7. Process of Cellular Respiration Glycolysis Without O2 With O2 Krebs Cycle Alcoholic Lactic AcidFermentation Fermentation Electron Transport Chain
  8. 8. The First Process of Cellular Respiration Glycolysis• Occurs in the Cytoplasm• Does not require oxygen• Breakdown of glucose or glycogen• “Splitting of sugar”
  9. 9. Glycolysis• Series of 10 reactions• Glucose is split into two smaller molecules called PYRUVATE or pyruvic acid• 2 ATP are used but 4 ATP are produced• Net gain of ATP? 2 ATP molecules• Glycolysis ProcessC6H12O6 + 2ATP + 2NAD+ 2 Pyruvate + 4ATP + 2NADH + H+
  10. 10. Glycolysis AnimationClick on the link above to view the animation
  11. 11. Process of Cellular Respiration Glycolysis Without O2
  12. 12. Without OxygenAnaerobic Respiration
  13. 13. Anaerobic Fermentation• Occurs in the cytoplasm• Does not produce ANY ATP• Regenerates NAD+ for reuse in glycolysis• Two types – Alcoholic Fermentation – Lactic Acid Fermentation
  14. 14. Alcoholic Fermentation• Plants Cells• Used to produce alcoholic beverages and to make bread• Pyruvic acid (pyruvate) is converted into ethyl alcohol, carbon dioxide, NAD+.• Alcoholic Fermentation Equation Pyruvic acid + NADH ethyl alcohol + CO2 + NAD+
  15. 15. Lactic Acid Fermentation• Animal Cells• Used to produce yogurt and cheese• Cause soreness in muscle cells• Pyruvic acid (pyruvate) is converted into lactic acid, & NAD+• Lactic Acid Fermentation Equation Pyruvic acid + NADH Lactic acid + NAD+
  16. 16. What’s the point of fermentation? Glycolysis – 2 ATP Fermentation – 0 ATP Total – 2 ATP• Regenerate the electron carrier, NAD+• NAD+ can allow for cellular respiration to continue
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