what is the depolarisation in propagation of nerve impulse?
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Nerve impulses are action potentials that move along the length of an axon as a wave of depolarisation. Depolarisation occurs when ion channels open and cause a change in membrane potential. The ion channels that occupy the length of the axon are voltage-gated (open in response to changes in membrane potential)
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Nerve impulses are action potentials that move along the length of an axon as a wave of depolarisation. Depolarisation occurs when ion channels open and cause a change in membrane potential. The ion channels that occupy the length of the axon are voltage-gated (open in response to changes in membrane potential).
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