Examlex
The inner planets are composed of rock and metal, and the outer planets are rich in low-density gases such as hydrogen and helium.
Resting Membrane Potential
The electrical charge difference across the membrane of a resting neuron or muscle cell, making it polarized and ready for activation.
Na+
Sodium ions, essential for conducting nerve impulses and maintaining the balance of fluids in the body.
Plasma Membrane
The semipermeable membrane surrounding the cytoplasm of a cell, controlling the movement of substances in and out of the cell.
Potential Difference
Difference in electrical potential, measured as the charge difference across the plasma membrane.
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