The addition of one or more molecules to the molecular chain of an existing drug produces
A)a toxin.
B)a new compound that is less potent than the original drug.
C)a compound that binds at different receptor sites than the original drug.
D)an analog of the original compound.

Question

Quizplus · Accepted Answer

The addition of one or more molecules to the molecular chain of an existing drug results in the creation of an analog of the original compound. This process modifies the original drug's structure to potentially alter its effects, potency, or pharmacokinetics, but it remains related to the original compound, hence termed an analog.

The Addition of One or More Molecules to the Molecular