Cellular Respiration
Glycolysis
Sugar or Energy?
1.

4.

2.

3.

• Carbohydrates
• Proteins
• Compound containing carbon, hydrogen, and
oxygen
• Stores en...
Sugar
• Compound containing
carbon, hydrogen, and
oxygen
• Carbohydrate
• Stores Energy

Glucose Molecule: C6H12O6
Energy
ATP

NADH
NAD+

Adenosine Triphosphate

• Protein
• Compound containing carbon,
oxygen, hydrogen, and nitrogen
• Su...
Cellular Respiration Overview
• Equation – C6H12O6 + 6 O2  6 CO2 + 6 H2O
• Cellular Respiration is defined as the aerobic...
Glycolysis
• Glycolysis means “splitting sugar”
• Starts with a 6 Carbon sugar
• 2 ATP’s are used too activate the sugar w...
Glycolysis cont…
• Once there are two 3-carbon sugars, two
NAD+ molecules become reduced, producing a
net gain of 2 ATP
• ...
Video…
• http://www.youtube.com/watch?v=PowpbzBa
TM0
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  1. 1. Cellular Respiration Glycolysis
  2. 2. Sugar or Energy? 1. 4. 2. 3. • Carbohydrates • Proteins • Compound containing carbon, hydrogen, and oxygen • Stores energy • Compounds containing carbons, hydrogen, oxygen, and nitrogen • High energy electron carrier • Supplies energy
  3. 3. Sugar • Compound containing carbon, hydrogen, and oxygen • Carbohydrate • Stores Energy Glucose Molecule: C6H12O6
  4. 4. Energy ATP NADH NAD+ Adenosine Triphosphate • Protein • Compound containing carbon, oxygen, hydrogen, and nitrogen • Supplies energy • Protein • Compound containing carbon, oxygen, hydrogen, and nitrogen • High energy electron carrier • Supplies energy
  5. 5. Cellular Respiration Overview • Equation – C6H12O6 + 6 O2  6 CO2 + 6 H2O • Cellular Respiration is defined as the aerobic harvesting of energy from food molecules • Occurs in three stages 1. Glycolysis 2. Citric Acid Cycle 3. Electron Transport Chain
  6. 6. Glycolysis • Glycolysis means “splitting sugar” • Starts with a 6 Carbon sugar • 2 ATP’s are used too activate the sugar which then splits into two 3-carbon compounds
  7. 7. Glycolysis cont… • Once there are two 3-carbon sugars, two NAD+ molecules become reduced, producing a net gain of 2 ATP • End product is two pyruvate molecules, which are essential in beginning the next stage of cellular respiration (Citric Acid Cycle) • If the pyruvate do not continue cellular respiration, they will start fermentation
  8. 8. Video… • http://www.youtube.com/watch?v=PowpbzBa TM0

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