Lab #5: Cellular Respiration
Lab #5: Cellular Respiration
Ananya, Bonnie, Jiaqi, Neha, and Susie
Purpose of this Lab
The purpose of this lab was to determine the rate of cellular respiration in germinating peas by measuring the consumption of oxygen at various temperatures.
How can the rate of cellular respiration be measured?
- By measuring the amount of glucose consumed - By measuring the amount of oxygen consumed - By measuring the amount of carbon dioxide produced
How did you measure rate of cellular respiration in this lab?
- The rate of cellular respiration of germinating peas was found by measuring the oxygen that was consumed over time
Relevance of the Lab to Class Content
Cellular Respiration
CHO + 6O 6CO + 6HO + Energy (ATP + energy)
Plants use cell respiration when there is a lack of light to perform cell work
The rate of cellular respiration accelerates as enzymes begin using the stored food supply to generate ATP.
Other concepts within the Lab
- Gas Law: PV = nRT - Respirometer works in accordance to the gas law:
Experimental Design Diagram
IV: Type of peas (germinating and dry)
Levels of IV: 1
DV: Pressure of gas
# of trials: 6
Control: Beads
Constant: Temperature, volume of peas, cotton balls
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