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fiasKO [112]
3 years ago
7

The membrane has open K channels, and changing extracellular K concentration results in a change in membrane potential. Changing

the extracellular Na concentration does not significantly change the membrane potential. What do your results suggest about the number or state (open or closed) of Na channels in the resting membrane of a neuron?
Biology
1 answer:
MrRissso [65]3 years ago
3 0

Answer: Closed

Explanation:

At  resting membrane potential( RMP) sodium channels remained shut, this is because , previously  in depolarisation,the  voltage  gated sodium  channels  were opened for sodium to diffuse  into the Axon. However   these channels closed  after reaching their refractory period,s.

Therefore a  change  in the extracellular concentration of sodium will not  open them

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