N.K. cell and cytotoxic cells are differentiated by ?
Ans. is 'b' i.e., Antibody specificity . Cytotoxicity of NK cells is not antibody dependent or MHC restricted, while cytotoxic cells are capable of lysing or killing target cells sensitized with antibody.
Interferons reduce N.K. cell activity
Antibody specificity
Receptor for IgG
Presence in spleen