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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 scored 25% by answering 1 out of 4 questions correctly. 1. Which of the following is true of osmosis? You correctly answered: c. It is a type of diffusion. 2. Which of the following occurs when a hypertonic solution is added to cells? Your answer : a. Water enters the cells. Correct answer: d. The cells shrink. 3. The variable that affects osmotic pressure is Your answer : b. the concentration of diffusing solutes. Correct answer: a. the concentration of nondiffusing solutes. 4. The net movement of water would be into the cell in a Your answer : c. isotonic solution. Correct answer: b. hypotonic solution. 09/09/11 page 1
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09/09/11 page 2 Experiment Results Predict Question: Predict Question 1: What effect do you think increasing the Na+ Cl- concentration will have? Your answer : c. increased diffusion rate Predict Question 2: What do you think will be the pressure result of the current experimental conditions?
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