Write the Word or Phrase That Best Completes Each Statement

question 257

Multiple Choice

Write the word or phrase that best completes each statement or answers the question.
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• A){-2}
• B){2}
• C){-1}
• D){1}

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Definitions:

Neuron Polarity

The structural and functional difference between the axon and dendrites of a neuron, which determines the direction of nerve impulse transmission.

Potential Difference

The difference in electric potential energy per unit charge between two points in a circuit.

Voltage-Gated Channels

Protein channels in cell membranes that open or close in response to changes in electrical potential, allowing ions to pass in and out of the cell.

Repolarization

The process by which cells, particularly nerve and muscle cells, restore their membrane potential to a resting state after depolarization.