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Consider the axon hillock of a prototypical neuron at rest. 1) detail the open/closed states of...

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Medical Sciences

Consider the axon hillock of a prototypical neuron at rest.

1) detail the open/closed states of the two relevantvoltage-gated ion channels while cell is at rest.

The membrane potential reaches threshold.

2) explain what will happen regarding Na+ at this point.

3) state what will happen to the membrane potential at thispoint.

Answer & Explanation Solved by verified expert
3.7 Ratings (430 Votes)
A resting nonsignaling neuron has a voltage across its membrane called the resting membrane potential or simply the resting potential The resting potential is determined by concentration gradients of ions across the membrane and by membrane permeability to each type of ion In a resting neuron there are concentration gradients across the membrane for Na and K Ions move down their gradients via channels leading to a separation of charge that creates the resting potential The membrane is much more permeable to K than Na so the resting potential is close to the    See Answer
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