What maintains the ionic gradients across the resting membrane of a neuron?

What maintains the ionic gradients across the resting membrane of a neuron?
  1. Sodium-potassium pump
  2. Sodium-potassium exchanger
  3. Sodium-protein pump
  4. Potassium-protein exchanger

Solution

The ionic gradients across the resting membrane are maintained by the active transport of ions by the sodium-potassium pump which transports 3 Na⁺ outwards for 2 K⁺ into the cell.

Asked in: NCERT

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