Binding of a signaling molecule to which type of receptor leads directly to a change in the distribution of substances on opposite sides of the membrane?
A) intracellular receptor
B) G protein-coupled receptor
C) phosphorylated receptor tyrosine kinase dimer
D) ligand-gated ion channel

Question

Quizplus · Accepted Answer

Ligand-gated ion channels directly change the distribution of substances (ions) across the membrane by opening or closing in response to a signaling molecule (ligand) binding, allowing ions to flow across the membrane.

Binding of a Signaling Molecule to Which Type of Receptor