Which of the following statements is correct?
A)Ligand-gated ion channels change the ion permeability of the membrane,which results in a response by the target cell.
B)Intracellular receptors interact with hydrophilic chemical messengers.
C)Receptor enzymes activate extracellular enzymes.
D)G protein-coupled receptors interact with hydrophobic chemical messengers.

Question

Quizplus · Accepted Answer

Ligand-gated ion channels are transmembrane proteins that respond to the binding of a specific ligand by changing the ion permeability of the membrane, which results in a response by the target cell. This response can be either excitatory or inhibitory, depending on the nature of the ligand and the type of ion channel. Intracellular receptors interact with hydrophobic chemical messengers, receptor enzymes activate intracellular enzymes, and G protein-coupled receptors also interact with hydrophobic chemical messengers.

Which of the Following Statements Is Correct