Small foreign molecules that are too small by themselves to elicit an immune response are termed
A)antigenic determinant.
B)hapten.
C)antigen binding site.
D)variable region.
E)None of the choices are correct.

Question

Quizplus · Accepted Answer

Haptens are small foreign molecules that are too small by themselves to elicit an immune response. However, when they bind to a larger molecule in the body, such as a protein, they can form an antigenic determinant and elicit an immune response.

Small Foreign Molecules That Are Too Small by Themselves to Elicit