Which of the following antibody regions is involved in antigen binding?
I. Light chain variable region
II. Heavy chain variable region
III. Heavy chain constant region

Question

Which of the following antibody regions is involved in antigen binding? 
I. Light chain variable region
II. Heavy chain variable region
III. Heavy chain constant region

Quizplus · Accepted Answer

The variable regions from both the heavy and light chains make up the antigen-binding regions of antibodies. The constant regions are in the distal portions of the antibody away from the antigen-binding area.

Which of the Following Antibody Regions Is Involved in Antigen