cell receptors (or TCR) on CD4+ T cells
A-recognize peptides not associated with MHC molecules
B- recognize peptides associated with MHC class I moleculesC- recognize peptides associated with MHC class II molecules
D- are secreted out into the environment to bind antigens
A-recognize peptides not associated with MHC molecules
B- recognize peptides associated with MHC class I moleculesC- recognize peptides associated with MHC class II molecules
D- are secreted out into the environment to bind antigens