In a neuron, the opening of sodium gates typically leads to _________. Multiple Choice repolarization of the plasma membrane depolarization of the plasma membrane plasma membrane voltage returning to the resting membrane potential hyperpolarization of the plasma membrane drifting of plasma membrane voltage toward a more negative value
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This influx of positively charged ions causes the inside of the neuron to become more positive, a process known as depolarization of the plasma membrane. Show more…
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In a neuron, the opening of sodium gates typically leads to __________.
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Which of the following best describes depolarization of a neuron: Sodium gates open and sodium enters the cell Potassium gates open a potassium enters the cell Sodium gates open and sodium leaves the cell Calcium gates open and calcium enters the cell
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The resting membrane potential in neurons requires: a. membrane transport channels to be constantly open for $\mathrm{Na}^{+}$ and $K^{+}$ flow. b. the inside of neurons to be positive relative to the outside. c. the diffusion of $\mathrm{K}^{+}$ out of the cell and a charge difference between the inside and outside of the axon set up by this movement of $\mathrm{K}^{+}$ d. an active $\mathrm{Na}^{+} / \mathrm{K}^{+}$ pump, which pumps $\mathrm{Na}^{+}$ and $\mathrm{K}^{+}$ into the neuron. e. three $\mathrm{Na}^{+}$ ions to be pumped through three Na $^{+}$ gates and two $\mathrm{K}^{+}$ ions to be pumped through two $\mathrm{K}^{+}$ gates.
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