Multiple choice

Which of the following antibodies present in secretions has a T-piece associated with it?

  1. IgE antibody

  2. IgA antibody

  3. IgG antibody

  4. IgM antibody

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

When IgA is found in secretions, it has another protein associated with it. This protein is called the secretory piece or T-piece. It is the protein to which two monomeric units of IgA get conjugated.