As maximum depolarization approaches, the sodium ion channels close. If you could experimentally prevent the ion channels from closing, what would be an expected response?.

The gated sodium ion channels on the neuron's membrane suddenly open during the depolarization phase, allowing sodium ions (Na+) from outside the membrane to flood the cell.

Why is depolarization necessary?

Membrane potential quickly shifts from a negative to a positive state as a result of depolarization. Initially, a stimulus triggers the depolarization process. A simple touch, a flash of light, an unwelcome object, or even an electrical impulse can serve as this stimulus. A voltage change occurs in the cell as a result of this stimulus.

What components comprise a membrane?

Proteins and lipids make up the membranes of cells. Only some chemicals can pass through them because they are largely constituted of lipids. The type of lipid most frequently seen in the membrane is phospholipid.

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