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HL B2.1 Gated Ion Channels
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Total cards: 5•Content version: v3•Public deck•Updated: 8/1/2026
Card preview (5)
#1
Front (Question)
What are gated ion channels?
Back (Answer)
Proteins controlling ion flow by opening/closing.
#2
Front (Question)
Example of neurotransmitter-gated channel?
Back (Answer)
Nicotinic acetylcholine receptor.
#3
Front (Question)
Function of nicotinic acetylcholine receptor?
Back (Answer)
Opens Na⁺/K⁺ channels in response to acetylcholine → muscle contraction.
#4
Front (Question)
Example of voltage-gated channel?
Back (Answer)
Sodium and potassium channels in neurons.
#5
Front (Question)
Why are gated channels important?
Back (Answer)
Control action potentials and resting potentials.