Question

What is the role of Na+ in the generation of action potential?

Answer 1

Role of Na+ in the generation of action potential. ... (a) Sodium ions play an important role in thegeneration of action potential. When a nerve fibre is stimulated, the membrane potential decreases. The membrane becomes more permeable to Na+ ions than to K+ ions.

Answer 2

Hey mate ^_^

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Answer:
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=> Stimulation of an axon immediately enhances manifold its membrane permeability to Na+.

=> As a result, Na+ ions diffuse across the j membrane from the extracellular fluid where their concentration is higher, to the interior of the fibre where the concentration is much lower.

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