Question: Which of the actions must occur to activate an immunocompetent but naive T cell (T lymphocyte)? Need Assignment Help?
T cell antigen receptor binding to an antigen-MHC complex on an antigen-presenting cell T cell recognition of at least one type of interleukin on an antigen-presenting cell T cell antigen receptor binding directly to an antigen T cell recognition of at least one co-stimulatory signal on an antigen-presenting cell