You discover a cell type that you believe is involved in immune response and antigen recognition. However, when you place these cells in cultures with whole antigens, they do not respond to them. Knowing about the ways in which lymphocytes respond to antigens, what other experiment should you try before concluding that your suspicion was incorrect?

MCQs on the immune system, including innate and adaptive immunity, the cells involved in each of process of the immune system and their role in the immune response, and how antibodies are used to confer immunity for future potential exposures.