Moderate

Antigen combining site of the antibody is____________________?

Correct answer: B. Paratope

  • A. Idiotope
  • B. Paratope
  • C. Epitope
  • D. Hapten

Explanation

The paratope is the antigen-binding site on an antibody, formed mainly by its variable regions. The epitope is the corresponding antigenic site, while an idiotope is an antigenic determinant within an antibody’s variable region.

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