Immune System
Macrophages are professional antigen- presenting cells. The protein molecule through which they present antigen in human is

CD8
HLA
interleukin
actin

ANSWER DOWNLOAD EXAMIANS APP

Immune System
Which of the following is correct for CD8 T cells?

CD8 T cell receptor recognizes epitopes that are also commonly recognized by B cells
In the thymus, CD8 T cells undergo positive selection only, whereas CD4 T cells undergo negative selection only
CD8 T cells only recognize virus-infected cells
CD8 T cells can kill individual virus-infected cells in a contact dependent fashion

ANSWER DOWNLOAD EXAMIANS APP