[Campbell Biology P.1025] Which statement about the immune system is correct? | Practice Question
Which statement about the immune system is correct?
- option_A: An antibody typically has only one antigen-binding site.
- option_B: A lymphocyte typically has receptors for a single specific antigen.
- option_C: Every antigen has only a single epitope.
- option_D: Liver or muscle cells primarily make two classes of MHC molecules.
Explanation
This statement reflects the principle of clonal specificity in lymphocytes, where each lymphocyte clone is specific for a single epitope.