Answered

This region of an antibody forms the antigen-binding site that binds a specific antigenic determinant of an antigen.

A. heavy chain only
B. constant portion of heavy and light chains
C. light chain only
D. variable portion of heavy and light chains



Answer :

GinnyAnswer

Final answer:

The variable region of heavy and light chains forms the antigen-binding site, critical for antibody specificity in recognizing and binding to antigens.


Explanation:

Variable region of heavy and light chains forms the antigen-binding site of an antibody, binding to a specific antigenic determinant of an antigen. This region is crucial for the antibody's specificity in recognizing and binding to its target.


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