Which must be true for an ion to be at equilibrium?
A) The concentrations on both sides of the membrane must be equal.
B) The electrical gradient must match the concentration gradient in the opposite direction.
C) The neuron's membrane potential must be negative.
D) The neuron's membrane potential must be positive.
E) The permeability of the ion must be zero.
Correct Answer:
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Q1: Which is a requirement for a neuron
Q2: Which is true of the potassium equilibrium
Q4: In a model cell, positive ions collect
Q5: Increasing the extracellular potassium concentration causes chloride
Q6: The resting membrane potential for a neuron
Q7: In a model cell at rest, what
Q8: The intracellular concentration of sodium in a
Q9: At rest, potassium ions exhibit very low
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