Class II MHC proteins are present in the plasma membrane only
A) when plasma cells are releasing antibodies.
B) when NK cells are activated.
C) during infections.
D) when cytotoxic T cells are inhibited.
E) in antigen- presenting cells and lymphocytes.

Question

Quizplus · Accepted Answer

Class II MHC proteins are primarily found on antigen-presenting cells (APCs) such as dendritic cells, macrophages, and B cells, as well as on some activated T lymphocytes. They play a crucial role in the immune response by presenting processed antigens to helper T cells.

Class II MHC Proteins Are Present in the Plasma Membrane