Multiple choice

The concentration of IgD is low in serum because

  1. IgD is highly unstable

  2. IgD is membrane bound

  3. IgD is produced in minuscule amounts

  4. IgD is an intracellular antibody

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

IgD is a membrane bound immunoglobulin, because of which there is lesser concentration of IgD in serum.