In the acquired immune response, two types of lymphocytes, B cells and T cells, are the key players.

a. Compare and contrast the antigen receptors of B and T cells.

b. B and T cells can only recognize antigens when they are in specific locations. Where are the antigens located that B cells can detect?

c. Where are the antigens located that the two kinds of T cells can detect? Include the role of the MHC in your answer.