Which if the following statements regarding major histocompatibility proteins (MHCs)is true?
A)Class I MHCs are found on all nucleated cells in the body
B)Class II MHCs are found on macrophages and B cells
C)Cytotoxic T cells require class II MHCs to recognize foreign antigens
D)Both class I MHCs are found on all nucleated cells in the body and class II MHCs are found on macrophages and B cells are true
E)All of the choices are true

Question

Quizplus · Accepted Answer

Class I MHCs are found on all nucleated cells in the body, while class II MHCs are found on professional antigen-presenting cells such as macrophages and B cells. Cytotoxic T cells (CD8+ T cells) recognize antigens presented by class I MHCs, not class II MHCs. Therefore, only statement D is true.

Which If the Following Statements Regarding Major Histocompatibility Proteins (MHCs)is