Neurobiology: Pt. 3

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Author:
DesLee26
ID:
209273
Filename:
Neurobiology: Pt. 3
Updated:
2013-03-24 19:27:55
Tags:
BIO 220
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Ballough
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  1. Which voltage-gated ion channel is the only one that has two?
    Na
  2. The threshold is the __. The bump on the graph occurs at the __.
    axon hillock x2
  3. Explain briefly the threshold.
    EPSPs summate, making the interior negative
  4. A voltage-gated Na channel has __, all activated by __. They do what at threshold? __ causes a __.
    • four subunits
    • shift
    • inactivation ion gate
    • loop
  5. What are the two gates that are involved with the voltage-gated ion gate?
    • activation gate
    • inactivation gate: step four (repolarization)
    • undershoot (the shift goes counter-clockwise)
  6. Where does the devil lie?
    in the posterior hypothalamus

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