Drugs acting through receptors exhibit the following features except: (A) Structural specificity, (B) High potency, (C) Competitive antagonism, (D) Dependence of action on lipophilicity
Answer is D. A drug acting on a specific receptor must have a specific structure, high affinity and potency can be a agonist or an antagonist. Lipophilicity is not a feature for a drug to bind to receptor. Ref: KDT 6/ e pg 45