Which region of an antibody determines the class of that particular antibody?
A) constant
B) variable
C) light chain
D) Fab

Question

Quizplus · Accepted Answer

The constant region of an antibody determines the class or isotype of that particular antibody, such as IgG, IgM, IgA, IgD or IgE. The variable region is responsible for the specificity of the antibody, while the light chain and Fab regions are parts of the structure of the antibody, but do not determine the class.

Which Region of an Antibody Determines the Class of That