Which of the following statements is incorrect or false?
A. Haptens lack immunogenicity unless attached to protein carriers.
B. Class 1 MHC molecules are built into the plasma membranes of all body cells.
C. Class II MHC molecules appear only on the surface of antigen-presenting cells, thymic cells, and T cells that have been activated by exposure to antigens.
D. MHC proteins are the cell’s identity markers.
Answer:C
Which of the following statements is incorrect or false?
A. Haptens lack immunogenicity unless attached to protein carriers. B. Class 1 MHC molecules are built into the plasma membranes of all body cells. C. Class II MHC molecules appear only on the surface of antigen-presenting cells, thymic cells, and T cells that have been activated by exposure to antigens. D. MHC proteins are the cell’s identity markers.