Multiple choice

Immature B cells express :

  1. Only IgM antibody isotype

  2. Only IgA antibody isotype

  3. Only IgD antibody isotype

  4. Both IgE and IgG antibody isotype

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

 Immature B cells which are never exposed to an antigen express only IgM antibody isotype  but express IgD too,when they are mature.