An antagonist is a drug or other chemical that blocks a receptor site and inhibits or prevents a response in the receiving cell.

Question

Quizplus · Accepted Answer

An antagonist is a substance that binds to a receptor site and prevents an agonist (the substance that normally binds to the receptor and causes a response) from binding and causing a response in the receiving cell. This can effectively inhibit or prevent a response in the receiving cell.

An Antagonist Is a Drug or Other Chemical That Blocks