Cellular respiration is an aerobic process

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Presentation transcript:

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 􀁡Aerobic respiration 􀁠Mice exercise 􀁠Seed exercise 􀁠Mitochondrion model 􀁡Fermentation (anaerobic)Yeast exercise

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 􀁡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. 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 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