BIOL 306 Study Guide - Midterm Guide: Nernst Equation, Reversal Potential, Active Transport
25 Sep 2018
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Document Summary
Electricity can travel through nerves and cause muscle contractions. Neurons could act like switches to change the voltage on an axon. Maybe they have a source of information flow. Electricity and neurons voltage they can switch on and on. Neurons have properties that em already uses: cytoplasm conducts electricity, plasma membrane (phospholipid bilayers) are insulation, voltage is set by regulating charge in and out of the cell, adding charge instantly redistributes. Can change charge by moving anions and cations. Em fields move at the speed of life. We can measure the voltage inside and outside of the neuron: cells typically have a resting potential of around -70mv, 2 main ways: Neurons are specialized in communication and allow us to engage in fast responses. To understand behaviour, one must understand neural behaviour. The number of states that a message or system can assume. The rate at which you can change the state of the destination system is the limiting rate of.
