What is the purpose of the beads in Lab 5?
Now, regarding the glass beads—the purpose of this part of the experiment is to account for any pressure changes in our respirometers, which are due to factors other than pea respiration. We subtract these pressure changes from those observed in the other respirometers in order to get the CORRECTED PRESSURE DIFFERENCE.Click to see full answer….
Now, regarding the glass beads—the purpose of this part of the experiment is to account for any pressure changes in our respirometers, which are due to factors other than pea respiration. We subtract these pressure changes from those observed in the other respirometers in order to get the CORRECTED PRESSURE DIFFERENCE.Click to see full answer. People also ask, what was the purpose of using the glass beads?One purpose of the glass beads is to disrupt the flow of vapour by convection to improve mixing and attainment of thermal equilibrium at each level of the fractionating column. This creates a steeper, smoother temperature gradient.Also, what was the purpose of the plastic beads only Respirometer? The purpose of the beads in the respirometer with non-germinating seeds is to maintain the same volume. In the respirometer without any seeds the beads act as seeds for a control group. The KOH is found in the respirometer in order to capture the carbon dioxide. One may also ask, what is the purpose of KOH in this experiment? The KOH binds with the CO2 and forms a solid at the bottom of the vial, allowing us to accurately measure the oxygen consumption without the release of carbon dioxide interfering.Why did the vial have to be completely sealed around the stopper?The vial needed to be completely sealed around the stopper because it insured that the measurement of the pressure in the test tube to be accurate. If it hadn’t been tightly sealed, the air inside of the test tube would escape, causing the pressure of the oxygen to be impossible to be measured.
