| A. |
Serves to minimize autoimmunity or “self-reactivity”
of the immune system |
| B. |
Serves to present fragments of antigens
to T cells |
| C. |
Used by helper T cells to regulate the
expansion of antibody producing B cells |
| D. |
All of the above
MHC proteins complex with antigen
fragments on the surface of antigen presenting cells.
This allows the helper T cell to recognize the antigen
and stimulate B cells and cytotoxic T cells to launch
an immune response.
|
