________ Open or Close in Response to Binding Specific Molecules

Question

________ open or close in response to binding specific molecules.
A) Leak channels
B) Activated channels
C) Chemically gated channels
D) Voltage-gated channels
E) Voltage-gated and chemically gated channels

Accepted Answer

Chemically gated channels open or close in response to binding specific molecules, such as neurotransmitters or hormones, while leak channels are always open, activated channels open in response to depolarization, and voltage-gated channels open or close in response to changes in membrane potential. Therefore, chemically gated channels are the best choice for this description.