Download Cellular respiration is an aerobic process

Cellular respiration is an
aerobic process
• Cellular respiration is an
• aerobic process
• 1 C6H12O6 + 6O2 6CO2 + 6H2O + 38
ATP
• glucose total energy
• 􀁡oxygen-dependent (mice)
• 􀁡carbon dioxide production (seeds
Cellular Respiration
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􀁡Aerobic respiration
􀁡Mice exercise
􀁡Seed exercise
􀁡Mitochondrion model
􀁡Fermentation (anaerobic)Yeast exercise
Measuring oxygen consumption of
mice exercise
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Measuring oxygen consumption of
mice exercise
1 C6H12O6 + 6 O2 6 CO2 + 6 H2O + 38 ATP
glucose total energy
􀁡KOH pellets used to remove CO2
􀁡oxygen-consumption is measured
􀁡Mass specific VO2 is determined
􀁡Each group
1 setup apparatus, run 3 trials, clean up
2 determine average
3 calculate class average
CO2 production
by germinating seeds exercise
• C6H12O6 + 6 O2 gives 6 CO2 + 6 H2O + 38
ATP
• glucose
total energy
• Flask #􀁡1 germinating
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􀁡2 germinating-boil
• Results after hr
• 􀁡CO2 production, phenol red = yellow
• 􀁡no CO2, phenol red = red
Fermentation
• 1 glucose with yeast gives 2 ethanol + 2
CO2 + energy
• C6H12O6 C2H5OH 2 ATP
• 􀁡Oxygen independent
• 􀁡Alcoholic fermentation (yeast exercise
Alcoholic fermentation ex.
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Alcoholic fermentation ex.
1 glucose 2 ethanol + 2 CO2 + 2 ATP
C6H12O6 C2H5OH energy
20ml beaker solution = glucose + 0.5g yeast
􀁡1 10% glucose
􀁡2 1% glucose
􀁡3 0% glucose
Expected Results
􀁡most CO2
􀁡intermediate
􀁡 no CO2
Mitochondrion model
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Mitochondrion model
1 C6H12O6 + 6 O2 6 CO2 + 6 H2O + 38 ATP
glucose total energy
􀁡Locate
􀁡outer membrane
􀁡inner membrane (Cristae)
􀁡intermembrane space
􀁡matrix
􀁡Function: aerobic respiration, making ATP