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Lab 4 Document and Submission

Lab 4 Document and Submission

Q 1. Which of the respirometers serves as control? Give reasoning why the respirator you selected serves as a control.2. Assuming your experimental control measures worked, identify what variable(s) changed to bring about the observed change in volume (corrected change in volume in Table 1 and Table 2) and explain why in detail? You must include in your explanation: oxygen, carbon dioxide, and KOH. 3. Explain your results in detail from your data table using numerical data (if your experiment did not work, feel free to use the sample data.) Compare the numerical results from the respirometers containing germinating and dormant peas.

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The control in this experiment was Respirometer #3, which contained only beads and had no respiratory activity. As a result, the data was utilized to change the volume calculations to account for the change in ambient air pressure. 2.Through the process of cellular respiration, the peas absorbed oxygen while expelling CO2. KOH, a modified equilibrium, was utilized to adjust the give-take variable (Avogadro's Law). The respirator's gas volume changed as a result of the CO2 and KOH reaction, which reduced the amount of oxygen in the germinating peas and eliminated CO2 from the air.