Molecules that act identically like a receptor's natural ligand
I. are termed agonists
II. may compete with the natural ligand for the receptor binding site
III. as inverse agonists activate the receptor to a lesser extent
IV. as partial agonists can cause a different cellular effect than the natural
Ligand

Question

Quizplus · Accepted Answer

I. Agonists are molecules that bind to a receptor and mimic the action of the natural ligand. II. Agonists may indeed compete with the natural ligand for the receptor binding site, as they both seek to bind to the same site to exert their effects.

Molecules That Act Identically Like a Receptor's Natural Ligand