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Which of the following statements accurately describes the resting membrane potential of neurons?
Which of the following statements accurately describes the resting membrane potential of neurons?
What is the voltage reference point used to measure the membrane potential?
What is the voltage reference point used to measure the membrane potential?
If the inside of a neuron has an excess of negative charge and the potential difference across the membrane is 70 mV, what is the membrane potential stated as?
If the inside of a neuron has an excess of negative charge and the potential difference across the membrane is 70 mV, what is the membrane potential stated as?
What do volts measure in relation to the membrane potential?
What do volts measure in relation to the membrane potential?
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Does a membrane potential of -70 mV indicate the number of negative and positive charges on either side of the membrane?
Does a membrane potential of -70 mV indicate the number of negative and positive charges on either side of the membrane?
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Which of the following accurately describes the resting membrane potential of neurons?
Which of the following accurately describes the resting membrane potential of neurons?
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What is the voltage reference point used to measure the membrane potential?
What is the voltage reference point used to measure the membrane potential?
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What does a membrane potential of -70 mV indicate?
What does a membrane potential of -70 mV indicate?
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What do volts measure in relation to the membrane potential?
What do volts measure in relation to the membrane potential?
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What is the magnitude of the resting membrane potential?
What is the magnitude of the resting membrane potential?
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Study Notes
Neuron Resting Membrane Potential
- The resting membrane potential of neurons is typically around -70 mV.
Measuring Membrane Potential
- The voltage reference point used to measure the membrane potential is the outside of the cell.
Interpreting Membrane Potential
- A membrane potential of -70 mV indicates that the inside of the neuron has an excess of negative charge compared to the outside.
- The magnitude of the resting membrane potential is around -70 mV.
Understanding Volts
- Volts measure the potential difference, or voltage, across the cell membrane.
- A membrane potential of -70 mV does not directly indicate the number of negative and positive charges on either side of the membrane, but rather the difference in electrical potential between the inside and outside of the cell.
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Description
Test your knowledge on the resting membrane potential in neurons. Understand the concept of potential difference across plasma membranes and the polarity of the membrane.
