Ion channels Flashcards

1
Q

What causes the voltage-gated channels to open?

A

A change in the membrane potential.

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2
Q

Voltage sensor

A

A transmembrane domain

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3
Q

alpha subunit

A
  • Contains 4 homologous repeats
  • Each repeat has 6 transmembrane domains
  • The N and C-terminus are both intracellular.
  • Each alpha subunit has 4 voltage sensors
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