Which One of the Following Statements About Inhibitory Receptors on Natural

Multiple Choice

Which one of the following statements about inhibitory receptors on natural killer (NK) cells is true?

A) Inhibitory receptors on NK cells express ITAM motifs in their cytoplasmic tails.
B) Some inhibitory receptors on NK cells recognize HLA-A or HLA-C.
C) Some inhibitory receptors on NK cells are members of the integrin family.
D) Some inhibitory receptors on NK cells are members of the Toll-like receptor family.
E) Inhibitory receptors on NK cells are not expressed on the same NK cells that express activating receptors.