The role of antigen-presenting cells in immunity is to
A) activate T cells.
B) display antigen fragments.
C) process antigens.
D) all of the above
E) none of the above

Question

Quizplus · Accepted Answer

Antigen-presenting cells (APCs) play a key role in initiating an immune response by presenting antigen fragments to T cells. This process involves processing the antigen, displaying the fragments on their cell surface with major histocompatibility complex (MHC) molecules, and activating T cells to mount an immune response. Therefore, the correct answer is D - all of the above.

The Role of Antigen-Presenting Cells in Immunity Is to