Ion Channels That are Always Open are Called ________ Channels

Question

Ion channels that are always open are called ________ channels.
A) active
B) gated
C) leak
D) regulated
E) local

Accepted Answer

Leak channels are ion channels that are always open, allowing ions to pass through the plasma membrane at a constant rate. They are important in maintaining the resting membrane potential of cells. Active channels require energy to open and close, gated channels open and close in response to specific stimuli, regulated channels are controlled by other molecules or signaling pathways, and local channels are limited to a specific area or region of the cell membrane.