Which of the Following Statements Is Incorrect or False

question 43

Multiple Choice

Which of the following statements is incorrect or false?

• A) MHC proteins are the cell's identity markers.
• B) Class 1 MHC molecules are built into the plasma membranes of all body cells.
• C) Haptens lack immunogenicity unless attached to protein carriers.
• D) 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.