How many major categories of voltage-dependent channels have been discovered to date along the postsynaptic membrane of a neuron?
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one; the sodium-potassium pumps; |
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two; sodium and potassium channels; |
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two; chloride and calcium channels; |
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four; sodium, potassium, chloride, and calcium channels; |
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none of the alternatives is correct; |
INCORRECT - There are two additional channel categories.
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