In a Resting Neuron, There Is a Difference in Electrical

question 245

Multiple Choice

In a resting neuron, there is a difference in electrical charge across the cell membrane because

• A) voltage-gated channels in the membrane allow Na⁺ to enter the cell.
• B) the concentration of Na⁺ is higher inside than outside the cell.
• C) ion transporters require energy and are not active in a resting neuron.
• D) K⁺ ions are pumped through channels until they reach equilibrium.
• E) leak channels allow K⁺ ions to diffuse out of the cell.

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