Class II MHC molecules are found primarily on
A)macrophages.
B)dendritic cells.
C)erythrocytes.
D)T cytotoxic cells.
E)macrophages AND dendritic cells.

Question

Quizplus · Accepted Answer

Class II MHC molecules are found primarily on antigen-presenting cells, such as macrophages and dendritic cells, which play a critical role in presenting antigen to T-helper cells. They are not found on erythrocytes or T cytotoxic cells, making choices A, C, and D incorrect. Therefore, the best choice is E, which includes both macrophages and dendritic cells.

Class II MHC Molecules Are Found Primarily on