How do natural killer (NK) cells differ from cytotoxic T (Tc) cells?

How do natural killer (NK) cells differ from cytotoxic T (Tc) cells?




A) NK cells lack antigen-specificity and can target any infected or malignant cell.
B) NK cells are phagocytic.
C) NK cells can opsonize bacteria and viruses.
D) NK cells release toxins that kill the target cell.



Answer: A


Biology

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