What is the role of variable regions in an antibody molecule?
A) costimulating of other secreted antibodies
B) processing and presenting antigens
C) determining the type of antigen-antibody reaction
D) facilitating flexibility of the midregion of the two heavy chains
E) recognizing and binding to specific antigens

Question

Quizplus · Accepted Answer

Variable regions in an antibody molecule are responsible for recognizing and binding to specific antigens. These regions are located at the tips of the two heavy and two light chains of the antibody molecule and are highly variable in amino acid sequence, allowing for the recognition of a wide range of antigens.

What Is the Role of Variable Regions in an Antibody