What formula could we use to calculate the rate of respiration in this experiment. Select all that apply: Change in O_2O2 / Change in Time Change in Time / Change in O_2O2 Change in CO_2CO2 / Change in Time Change in Time / Change in O_2O2
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What formula could we use to calculate the rate of respiration in this experiment.
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Change in O_2O2 / Change in Time
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Change in Time / Change in O_2O2
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Change in CO_2CO2 / Change in Time
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Change in Time / Change in O_2O2
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- Use the following data and the RER table from your lab for the next couple of questions. Jane is 5'5" and 63 kg, and she generates the numbers in the table below on the respirometry cart. What would Jane's RQ, or RER be? VO2 (LO2/min) CO2 (LCO2/min) 0.20 0.14 0.19 0.13 0.23 0.16 0.21 0.15 0.19 0.12 0.22 0.15 0.21 0.16 0.18 0.12 0.20 0.14 0.20 0.14 What kind of fuel is Jane burning during the test? Mostly carbohydrate Mostly protein Mostly Lipid Mostly alcohol About 50% lipid and 50% carbohydrateSuppose that the germinating beans have been placed in boiling water for 5 minutes before placing them into the respirometer. Explain the effect of subjecting the mung beans in high temperature on the rate of respiration.Below is the oxygen saturation curve for myoglobin and hemoglobin at a pH of 7. The p50 for myoglobin is indicated by the dashed lines on the graph. Mb and Hb O2 saturation: pH 7 10 0.8 Myoglobin 0.6 P50 = 0.2 0.4 Hemoglobin 0.2 - 0.0 pO2 [kPa] Which of these molecules (Mb/Hb/neither or both) has cooperativity? [ Select ] What would you expect to happen to the p50 of myoglobin if the pH were decreased to a pH of 4? [ Select ] Fraction saturation
- This is a three-part question You want to measure the blood oxygen level in a drop of blood using a pulse oximetry device. If you have a light source at 700nm, and 1mm of path length, what must be the concentration of: - oxidized hemoglobin in blood so that the light intensity at the output decreases to one tenth of the input intensity? - reduced hemoglobin in blood so that the light intensity at the output decreases to one tenth of the input intensity? - at the concentration you found in the second part, what is (Ii/If) for oxidized hemoglobin?In a study of O2 uptake by muscle at high altitude, a physiologist prepares an atmosphere consisting of 79 mole % N2, 17 mole % 16O2, and 4.0 mole % 18O2. (The isotope 18O will be measured to determine O2 uptake.) The total pressure is 0.75 atm to simulate high altitude. Calculate the mole fraction and partial pressure of 18O2 in the mixture.The following data describe the binding of oxygen to human myoglobin. Posygen (mm Hg) Percent Saturation 0.5 16.1 2.0 27.7 3.0 53.5 4.0 60.5 6.0 69.7 8.0 75.4 12.0 82.1 20.0 88.5 From these data the approximate P50 (mm Hg) value is: A. 1.0 В. 1.4 С. 1.9 D. 2.6 Е. 3.2 F. 3.5 G. 3.7 Н. 3.9 I. 4.0
- The following data describe the binding of oxygen to human myoglobin at 37 °C. Po, (mm Hg) Yo. Po, (mm Hg) Yo: 0.5 0.161 0.697 1 0.277 8. 0.754 2 0.434 12 0.821 3 0.535 20 0.885 0.605 From the se data, estimate (a) Pso and (b) the fraction saturation of myoglo- bin at 30 mm Hg, the partial pressure of Oz in venous blood. 4)Please explain the difference between the oxygen dissociation curve created by myoglobin (asymptotic) versus the oxygen dissociation curve created by hemoglobin (sigmoidal). Why does this occur? Myoglobin O₂ saturation (%) 100 80 60 40 20 0 20 Hemoglobin 40 60 80 100 120 Po₂ (mmHg)A student doing the cellular respiration lab forgot to add KOH to their respirometer. When it is time to detect cellular respiration, describe in detail how this mistake experimentally would change their results.
- I am asked to write a hypothesis and null hypoothesis on an experiment im doing using different color cellophane pieces, solar cells, and a motor fan. Are these considered a hypothesis and null hypothesis? Hypothesis: Placing colored films on the solar cell will have a positive or negative effect on the power output and affect the fan's speed being faster or slower based on the color of the film. Null Hypothesis: Colored films have no effect on the power output of solar cells and fan speeds remain the same.Below is an oxygen-binding curve for two hemoglobin variants. 1.0 0.8 0.6 B 0.4 0.2 20 40 60 80 100 O2 pressure (torr) Determine the p50 for variant A to the nearest 5 torr (i.e., if the p50 was 12, you would write 10). Determine the fraction of the hemoglobin B bound with O2 in the lungs (pO2 = 100 torr) that delivers oxygen to the tissues (pO2 = 20 torr)? Answer to the nearest 0.05 value (for example, 0.10 or 0.15). Which hemoglobin variant (write A or B or same) delivers more oxygen to tissues? Fraction bound with O2With COPD, there is a decreased air flow from the lungs. This coyly be caused by which of the following reasons? Select all that apply.
