PEX-01-03 - Exercise 1: Cell Transport Mechanisms and...

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Exercise 1: Cell Transport Mechanisms and Permeability: Activity 3: Simulating Osmotic Pressure Lab Report Pre-lab Quiz Results You have not completed the Pre-lab Quiz. 02/08/12 page 1
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02/08/12 page 2 Experiment Results Predict Question: Predict Question 1: What effect do you think increasing the Na+ Cl- concentration will have? Your answer : a. increased pressure Predict Question 2: What do you think will be the pressure result of the current experimental conditions? Your answer : b. pressure above the right beaker Stop & Think Questions: Why do you think there is no pressure change? You correctly answered: b. Sodium is able to diffuse through the pores. Why do you think there was no pressure change? You correctly answered: c. There is no net movement of water because the solute concentrations are the same. Experiment Data: Run Number Solute MWCO Start Conc. L Pres. L Start Conc. R Pres. R Rate 1 Na+ Cl- 20 5.00 170 0.00 0 0.0000 2 Na+ Cl- 20 10.00 340 0.00 0 0.0000 3 Na+ Cl- 50 10.00 0 0.00 0 0.0167 4 Glucose 100 8.00 136 0.00 0 0.0000 5 Glucose 100 8.00 0 8.00 0 0.0000 6 Glucose 200 8.00 0 0.00 0 0.0036 7 Albumin 200 9.00 153 0.00 0 0.0000
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PEX-01-03 - Exercise 1: Cell Transport Mechanisms and...

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