sample_midterm_1_2007

sample_midterm_1_2007 - YOUR NAME_ Student ID#_ MIDTERM 1...

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YOUR NAME__________________________ Student ID#_________________ 1 NPB 100 MIDTERM 1 SPRING, 2007 Your signature______________________ Please check this box if you do not want your exam returned in the bins in the hallway… Question Score Total 1 6 2 6 3 25 4 8 5 9 6 15 7 11 8 11 9 9 TOTAL 100
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YOUR NAME__________________________ Student ID#_________________ 2 Question 1. (6 points) 1a. (2 points) When the brain is deprived of oxygen, mitochondria inside neurons stop producing ATP. What effect does this have on the resting membrane potential of neurons? 1b.(4 points) Explain your answer to question 1a. Question 2 (6 points) 2a. (2 point) A model cell has only potassium channels in its membrane. The concentration of potassium is larger inside the cell than outside. The concentration of sodium is larger outside the cell than inside. The concentration of chloride is equal inside and outside. Is the membrane potential of the cell positive or negative? 2b. (4 points) Explain your answer to question 2 a. To get full credit you should include at least one equation in your answer. GO ON TO NEXT PAGE!
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YOUR NAME__________________________ Student ID#_________________ 3 Question 3. (25 points) Here is a picture of an action potential. 3a. (2 points) what is plotted on the x axis?
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This note was uploaded on 05/02/2008 for the course NPB 101 taught by Professor Fuller,charles/goldberg,jack during the Winter '08 term at UC Davis.

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sample_midterm_1_2007 - YOUR NAME_ Student ID#_ MIDTERM 1...

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