Which one of the following is NOT True of the constant (C) regions of antibodies?
A) The constant regions are the same or nearly the same on all antibodies.
B) The constant regions form the "stem" of an antibody.
C) The constant regions determine the specific type of antibody class formed.
D) The constant regions form an antigen-binding site.
E) The constant regions determine how an antibody class will carry out its immune role.

Question

Quizplus · Accepted Answer

The constant regions of antibodies do not form an antigen-binding site. The variable regions of the antibody form the antigen-binding site, which is unique to each individual antibody.

Which One of the Following Is NOT True of the Constant