Which type of MHC molecule is found on all nucleated cells and presents endogenous antigens?

If an antigen-presenting cell displays an antigen on an MHC class 2 molecule, what sequence of events is likely to occur involving CD4 cells?

Which cells are primarily responsible for presenting antigens to T lymphocytes?

Which molecules are crucial for APCs to present antigens to T lymphocytes?

What factor primarily determines whether a T cell is activated or becomes anergic?

How do cytotoxic T cells differentiate between uninfected and infected cells?

Which type of helper T cell is primarily involved in combating multicellular pathogens?

What makes the CD4 T cells susceptible to HIV attack?

Which cytokine is primarily involved in the activation of B cells by helper T cells?

What mechanism do cytotoxic T cells use to kill target cells presenting antigens on MHC class I?