CD4 and CD8 are
A) proteins secreted by antigen-presenting cells.
B) receptors present on the surface of natural killer (NK) cells.
C) T-independent antigens.
D) molecules present on the surface of T cells where they interact with MHC molecules.
E) molecules on the surface of antigen-presenting cells where they enhance B cell activity.

Question

Quizplus · Accepted Answer

CD4 and CD8 are molecules present on the surface of T cells where they interact with MHC molecules. CD4 is typically present on helper T cells, while CD8 is present on cytotoxic T cells.

CD4 and CD8 Are