Graded Potentials

lucyslade1
Mind Map by lucyslade1, updated more than 1 year ago
lucyslade1
Created by lucyslade1 about 6 years ago
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Graded Potentials
  1. If concentration of ions across plasma membrane changes, membrane's voltage changes
    1. Hyperpolarisation
      1. Increase in polarity to make it more negative
        1. Cause
          1. Efflux of K+ through passive K+ channels
            1. Influx of Cl- through passive Cl- channels
          2. Depolarisation
            1. Decrease in polarity to make it more positive
              1. Cause
                1. Influx of Na+ through (normally closed) Na+ channels
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