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At resting membrane potential, the axonal membrane is permeable to which ions?

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in Biology – Class 11 by (272k points)
At resting membrane potential, the axonal membrane is permeable to which ions?

(a) Calcium ions

(b) Sodium ions

(c) Potassium ions

(d) Chlorine ions

The question was posed to me in examination.

I'm obligated to ask this question of Neuron-1 topic in chapter Neural Control and Coordination of Biology – Class 11

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The correct option is (c) Potassium ions

Best explanation: The axonal membrane of the neuron or nerve cell is semi-permeable in nature. At resting membrane potential, the membrane is permeable to potassium ions but nearly impermeable to sodium ions.

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