stuck on membrane potential the wrapping . Because the ipid bilayer of the Glial

Question

stuck on membrane potential

the wrapping . Because the ipid bilayer of the Glial cell's plasma membrane has low permeability to with several layers to form a myelin sheath reduces the leakage of ions across the axon. The uinsulated gap between adjacent Schwann cells is called the MEMBRANE POTENTIAL: The presence of The action of Nat/K pumps PERMEANLETY charged molecules inside the " -Results in an distribution of charge (V) measure of potential energy generated by separated charge kariehmctervoltage measured between two points alcto)-the flow of electrical charge between two points (R) - hindrance to charge flow - substance with high electrical resistance Cordiuct-substance with low electrical resistance Membrane Potential - Indicates a across PM in between ICF/ECF compartments plasma membrane is required to separate the charges -If separated, electrical force of attraction can be used -That force represents potential is measured in Intracellular fluid Extracellular fluid concentrations 12 mM 145 mM 5 mM 125 mM 2.5 mM 150 mM 9 mM 0.0001 mM

Explanation / Answer

Membrane potential:

-Indicates a voltage/ electric potential across PM.

- Or difference in concentration gradient between ICF/ECF compartments.

- An electrically charged plasma membrane is required to separate the charges.

- That force represents potential (electric potential) is measured in joules per coulomb (volts).

  Electric potential is electric potential energy per unit charge, measured in joules per coulomb (volts). "Electric potential" must be distinguished from "electric potential energy" by noting that the "potential" is a "per-unit-charge" quantity.

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