Regarding HLA class-I antigen
A
They are expressed on all nucleated cells
B
They are made up of heavy and light chain
C
They are essential for viral antigen detection by cytotoxic T Cell
D
CD8+cell recognize the antigen through HLA
E
T-helper cell recognize antigen in association with HLA class-I
Correct Answer: They are expressed on all nucleated cells, They are made up of heavy and light chain, They are essential for viral antigen detection by cytotoxic T Cell, CD8+cell recognize the antigen through HLA
