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Question
In what ways does the interior surface of the membrane of a resting neuron differ from the external surface?
In what ways does the interior surface of the membrane of a resting neuron differ from the external surface?
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Solution
The correct option is A Negatively charged with less sodium
When the charge separation across the axonal membrane is maintained, the neuron is said to be at resting membrane potential condition.
A resting neuron is negatively charged on the inside (due to the presence of chlorine ion and protein) and positively charged on the outside (due to presence of sodium ions). Such a charge separation is called polarization and thus resting neuron is said to be polarized.
The difference in the number of positively charged potassium ions (K+) inside and outside the cell dominates the resting membrane potential. The resting membrane potential is a result of different concentrations of Na+ and K+ ions inside and outside the cell.
When the charge separation across the axonal membrane is maintained, the neuron is said to be at resting membrane potential condition.
A resting neuron is negatively charged on the inside (due to the presence of chlorine ion and protein) and positively charged on the outside (due to presence of sodium ions). Such a charge separation is called polarization and thus resting neuron is said to be polarized.
The difference in the number of positively charged potassium ions (K+) inside and outside the cell dominates the resting membrane potential. The resting membrane potential is a result of different concentrations of Na+ and K+ ions inside and outside the cell.
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