Antibodies
A) play a large role in cell-mediated immunity.
B) are produced by both T and B cells.
C) are composed of four light and four heavy polypeptide chains.
D) are not specific, but act generally.
E) have a variable region that binds to a specific antigenic determinant.

Question

Quizplus · Accepted Answer

Antibodies have a variable region that specifically binds to an antigenic determinant, allowing for the targeted response to specific pathogens or foreign substances. This specificity is a key feature of the adaptive immune response.