Answer:
1. potency,
2. efficacy,
3. potency
Explanation:
The dose-response curve is a graphical representation, which describes the level of the reaction of individuals or subjects to certain inducement after a given period of time.
Hence, in this situation, a dose-response curve shows that noncompetitive antagonists alter both the POTENCY and the EFFICACY of the agonist, while competitive antagonists alter only the POTENT.