In the Absence of Transport Mechanisms, Ions Would Only Move

question 51

Multiple Choice

In the absence of transport mechanisms, ions would only move across the membrane along their electrochemical gradient. What consequences would this have?

• A) The concentration gradients and the potential across the cell membrane would disappear.
• B) The concentration gradients across the membrane would be recovered through passive mechanisms relying on Donnan equilibrium.
• C) The resting membrane potential of the cells would become more hyperpolarized.
• D) Neurons would continuously fire action potentials.
• E) Astrocytes, not neurons, would rest at 0 mV.

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