Which of the following is unique to an individual, is present on every cell in that person's body, and activates T cells?
A) Major histocompatibility complex (MHC)
B) Cytokines
C) B cells
D) Natural killer (NK) cells
E) Complements

Question

Quizplus · Accepted Answer

The Major Histocompatibility Complex (MHC) is unique to each individual (except for identical twins) and is present on nearly all cells. It plays a crucial role in the immune system, particularly in the activation of T cells, by presenting foreign peptides to T cells, thereby initiating an immune response.

Which of the Following Is Unique to an Individual, Is