Alex's Lecture 2 Study Guide-2.pdf - Key Terms(and location...

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Key Terms (and location in the textbook) Electrostatic Force (p. 41) Diffusion Force (p. 40) Electrical potential (p. 39) Electrochemical Equilibrium (pp. 40-41) Goldman Equation (p. 43) Nernst Equation (p. 41) Ion transporters and channels (p. 39) Depolarization (p. 35) Hyperpolarization (p.34) Membrane potential (p. 41) 1. What is the flow of information in a neuron? 2.A positive ion moving to a high concentration of negative ions is an example of? a.Electrical potential b.Voltage change c.Physical Potential d.Electrostatic force 3.The _____ is due to the difference between concentrations of negatively and positively charged ions inside and outside the neuron when it is not active. 4.There are two competing forces at the level of the cell membrane. Name them. 5. Why can’t positively charged sodium ions move into the negatively charged interior of the neuron at rest?
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6. Is equilibrium potential a feature of the cell membrane or a specific ion? 7. If you wanted to find the permeability of the cell membrane to a few ions at a given time, which equation would you use?
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