Short Answer
Once the membrane potential reaches a threshold voltage,hundreds of voltage-gated [dropdown 1] channels in that region of the membrane to open briefly.[dropdown 2] ions flood into the cell,completely [dropdown 3] the membrane.
Dropdown 1choices:
calcium
chloride
potassium
sodium
Dropdown 2 choices
Calcium
Chloride
Potassium
Sodium
Dropdown 3 choices:
depolarizing
hyperpolarizing
repolarizing
Correct Answer:
Verified
1.sodium
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Correct Answer:
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2...
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