Q. The specificity of an antibody is due to _.
Solution:
- In an antibody, the Fab (fragment, antigen-binding) region is formed from the amino-terminal end of both the light and heavy chains of the immunoglobulin polypeptide.
- This region, called the variable (V) domain, is composed of amino acid sequences.
- This defines each type of antibody and their binding affinity to an antigen.
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