Match each antibody to its job

Exercise and reference answers

Matching pairs

1. Left

   IgM

   Right

   First antibody of a primary response

2. Left

   IgG

   Right

   Crosses the placenta to protect the fetus

3. Left

   IgA

   Right

   Dimer in mucus, saliva, tears and milk

4. Left

   IgE

   Right

   Binds mast cells and drives allergy

5. Left

   IgD

   Right

   Receptor on naive B cells, never secreted

Instructions

Tap an antibody class, then tap the job that belongs to it.

Explanation