Answer
(a) Gamma globulin (c) Cytokine (d) Epitope (e) Hapten (b) Heavy chain
Work Step by Step
The following terms are defined as:
Gamma globulin- Antibodies purified from serum
Cytokine- A secreted protein that affects cells of the immune system
Epitope- The site on an antigen where an antibody can bind
Hapten- A compound that must combine with a protein to become immunogenic
Heavy chain- The larger of the two proteins that compose an antibody