Receptor Theory Flashcards
1
Q
What is a receptor?
A
Component of a cell that interacts with a specific ligand.
2
Q
What is a agonist?
A
A drug that elicits biological effects.
3
Q
What is a antagonist?
A
A drug that binds to the receptor but doesn’t elicit any biological effect.
4
Q
What is affinity?
A
The tendency of a drug to bind to its receptor.
5
Q
What is efficacy?
A
The ability of a drug to activate the receptor after binding to it.
6
Q
What is potency?
A
The tendency of a drug to produce a given effect.
7
Q
What is the dissociation constant?
A
The concentration of ligand that occupies half of the available receptors at equilibrium.
