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Cellular Respiration

Cellular Respiration. Sita M Damaraju (Fellow). Glucose + Oxygen → Carbon dioxide + Water + Energy (ATP). 6 H 12 O 6 + 6O 2 → 6CO 2 + 6H 2 O + ATP. Vernier Lab Part II. Determine whether germinated or non-germinated peas respire.

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Cellular Respiration

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  1. Cellular Respiration Sita M Damaraju (Fellow)

  2. Glucose + Oxygen → Carbon dioxide + Water + Energy (ATP) 6H12O6 + 6O2 → 6CO2 + 6H2O + ATP

  3. Vernier Lab Part II • Determine whether germinated or non-germinated peas respire. • Use a CO2 gas sensor to measure concentrations of carbon dioxide. • Study the effect of temperature on cell respiration. • Compare the rates of cell respirations in germinated peas and non-germinated peas.

  4. Materials • CO2 sensor • 250mL respiration chamber Computer • Logger pro software • Lab pro (sensor-computer interface) • 25 germinating peas • 25 non-germinating peas • Thermometer

  5. Set up CO2 sensor Germinated Peas Lab pro Non germinated peas

  6. Results

  7. Extensions • Measure O2 concentration using germinated and non germinating peas at different temperatures • Measure pressure changes during respiration of germinating and non-germinating peas at different temperatures (AP Biology lab) • Simultaneously measure O2 and CO2 concentrations at different temperatures for germinating and non-germinating peas.

  8. Sensors • CO2 sensor • O2 sensor • Gas pressure sensors

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