Typically, the Gate of an Ion Channel Remains Closed Until

Question

Typically, the gate of an ion channel remains closed until a(n) ____ binds to the receptor.
A) ligand
B) enzyme
C) G protein
D) target cell
E) first messenger

Accepted Answer

Ligands are molecules that bind to receptors, including those on ion channels, causing them to open or close. This interaction is crucial for signal transduction in cells.