1. Antigens recognized by CD___ positive cells are Class I MHC restricted (i.e. shown by MHC Class I).
2. Which of the following proteins do not have Immunoglobulin domains?
| Major Histocompatibility Complex (MHC) |
| Antibodies |
| All of these structures contain immunoglobulin domains |
| T cell receptors |
| CD4 proteins |
