The Direction of Change in Membrane Potential, in Response to a Stimulus

question 56

Multiple Choice

The direction of change in membrane potential, in response to a stimulus that initiates a graded potential, is dependent upon

• A)the gating of potassium channels only.
• B)the gating of sodium channels only.
• C)that membrane's threshold potential.
• D)the changes in ion concentration across the membrane.
• E)the ion channels that are opened or closed.

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