Quiz 2-Form12010 Answers

Quiz 2-Form12010 Answers - BIL 150 QUIZ 2-FORM 1 FALL 2010...

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BIL 150 QUIZ 2-FORM 1 FALL 2010 1. Which of the following statements about the net movement of an ion across a membrane passive diffusion of an ion through a membrane channel is true? A. The charge on the other side of the membrane is generally the opposite of the ion's charge. B. The cell expends energy as the ion passes through the membrane. C. There is a higher concentration of ions on the side of the membrane toward which the ion diffuses. D. For every ion that diffuses through the membrane, a different ion diffuses in the opposite direction. E. The ion will need to use a Sodium-Potassium Pump as it passes through the membrane. 2. Based on the model of sucrose uptake in the figure below, which of the following experimental treatments would increase the rate of sucrose transport into the cell? (Note that the lower the pH, the more acidic.)
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