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exam1-06 - BISC 306 General Physiology Exam 1 October 9...

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BISC 306, General Physiology Exam 1, October 9, 2006 1. In physiological systems effectors will generate a response that tends to minimize deviations and/or bring altered conditions back to a set point. This kind of corrective response is called: a. allosteric effects b. negative feedback c. autocrine signaling d. fluidity e. positive feedback 2. Which of the following is not true regarding cell membranes? 3. Membrane phospholipids: 4. Fick's equation for simple diffusion [F = KpA (Co-Ci)]... 5. Movement of small molecules directly between the cytoplasm of adjacent cells would be mediated by: a. primary active transporters b. capillaries c. gap junctions d. GLUTs e. tight junctions
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6. The Na + /H + exchanger is an example of: ions down their concentration gradient 7. The combined driving force (voltage plus concentration gradient) for outward K + movement is greater than that for inward Na + movement. a. True b. False 8. Which of the following is not true regarding the Na + /K + -ATPase?
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