Which of the Following is CORRECTLY Matched with Its Function

Question

Which of the following is CORRECTLY matched with its function?
A) Channel proteins - are part of an intercellular communication system
B) Marker molecules - are primarily steroids
C) Receptor proteins - attach to ligand molecules
D) Peripheral proteins - penetrate the lipid bilayer from one surface to the other
E) Nongated ion channels - are always closed

Accepted Answer

Receptor proteins are indeed known for their role in attaching to specific ligand molecules, which can trigger various cellular responses. This is a fundamental aspect of cellular communication and signaling pathways.