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ludmilkaskok
2 months ago
5

Ions are unequally distributed across the plasma membrane of all cells. This ion distribution creates an electrical potential di

fference across the membrane. What is the name given to this potential difference?
a.Resting membrane potential (RMP)
b.Threshold potential
c.Action potential
d.Positive membrane potential
Biology
1 answer:
s2008m [2.3K]2 months ago
4 0
The correct response is a. Resting membrane potential (RMP). RMP describes the electrical potential difference across a cell membrane when the cell is not active. This difference arises due to the uneven distribution of ions such as Na⁺, K⁺, Cl⁻, and Ca²⁺ across the plasma membrane. It is influenced by the concentration gradients and the permeability of the membrane to these ions. The RMP value can vary by cell type; for example, a neuron's RMP is around -70 mV, whereas in skeletal muscle, it is about -90 mV. A negative value indicates a higher concentration of negative charges inside the cell compared to the outside.
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