Answer: Sodium ions will move from the exterior to the interior of the neuron, and Potassium ions will move from the interior to the exterior of the neuron.
Explanation:
Sodium-Potassium pumps in the neurons maintain a difference in electric potential to allow nerve impulses to happen. To do this, the pump extracts three Sodium ions from the neuron and places two Potassium ions (from the exterior of the neuron) inside the neuron.
As a result, normally the concentration of Sodium is very high outside the neuron, and so is the concentration of Potassium inside the cell. If the pump was open and ions could flow freely, they would tend to go from the most to the least concentrated region. This would result in Sodium moving inside the cell and Potassium moving out, impeding nerve impulses and killing the villager.
The flow of sodium ion in the neurons in from exterior to interior, and the flow of potassium ions is from interior to exterior.
The sodium-potassium pump was discovered by Jens Christian Skou in 1957.
The sodium potassium pump is an enzyme present in all animal cells.
It carries out numerous physiological function in cell.
For every ATP, three sodium ions are exported, and two potassium ions are imported.
Thus, the flow of sodium ion in the neurons in from exterior to interior and the flow of potassium ions is from interior to exterior.
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