Not true regarding NK cells -: (A) Active against malignant cells, (B) Inactive MHC antigen for killing microorganisms, (C) First line defense against viral infections, (D) No prior sensitization required
Answer is B. NK cell's cytotoxicity is not antibody dependent or MHC restricted :NK cellsNatural killer cells Reff: Anantharayan & Panikers textbook f microbiology 9th edition pg:137