The specific sites on the antigen that interacts with the antibody are called
A) epitopes.
B) immunoglobin light chains.
C) immunoglobin heavy chains.
D) variable-domain amino acid residues.

Question

Quizplus · Accepted Answer

Epitopes are specific sites on the antigen that interact with the antibody. Immunoglobin light and heavy chains are components of the antibody itself, while variable-domain amino acid residues are part of the antibody's structure but do not refer specifically to the interaction with the antigen.

The Specific Sites on the Antigen That Interacts with the Antibody