The channels that provide for the movement of potassium in the resting neuron are _______.leakage and chemically gated.chemically gatedleakagevoltage gated
Question
The channels that provide for the movement of potassium in the resting neuron are _______.
- leakage
- chemically gated
- chemically gated
- leakage
- voltage gated
Solution
In a resting neuron, the primary channels that facilitate the movement of potassium ions (K⁺) across the neuronal membrane are known as leakage channels. These channels are always open and allow the passive movement of potassium ions to flow out of the neuron, helping to maintain the resting membrane potential.
On the other hand, chemically gated channels open in response to neurotransmitters binding to receptors, and voltage-gated channels open in response to changes in membrane potential, primarily during action potentials. Therefore, while chemically gated and voltage-gated channels play significant roles during neuronal activity, they are not primarily responsible for potassium movement in a resting state.
To summarize: the correct answer to the question is leakage channels.
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