Final answer:
Voltage-gated channels are transmembrane proteins that open in response to changes in membrane voltage, crucial for activities in excitable cells like neurons and muscle tissues.
Explanation:
Voltage-gated channels are a type of transmembrane proteins that respond to changes in electrical membrane potential near the channel. These channels play a crucial role in excitable cells like neurons and muscle tissues by allowing rapid depolarization in response to voltage changes. Voltage-gated ion channels open in response to changes in membrane voltage, altering the conformation of channel proteins and regulating their opening and closing.
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