Multiple Choice
In the context of membrane potential (voltage measured as ), what does a negative cell voltage indicate?
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9. Transport Across Membranes
Ion Channels and Membrane Potential
Back9. Transport Across Membranes
Ion Channels and Membrane Potential
- Multiple ChoiceWhich of the following is a fundamental property shared by all ion channels?50views
- Multiple ChoiceWhich of the following best explains how ion gradients across the membrane contribute to cellular functions?91views
- Multiple ChoiceWhich type of ion channels open in response to changes in membrane potential?108views
- Multiple ChoiceWhich of the following is true regarding the opening of a sodium ion channel?106views
- Multiple ChoiceWhy do sodium ions enter a cell when gated sodium channels open?134views
- Multiple Choice
Which of the following is not considered a type of gated ion channel?
334views - Multiple Choice
Ion channels require energy to transport substances across a membrane.
346views - Multiple Choice
K+ leak channels are important for doing what?
423views2rank1comments - Multiple Choice
When the concentration of ions is exactly the same on either side of the membrane, then the cell is at a resting membrane potential.
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