What role do natural killer cells play in antibody-dependent cellular cytotoxicity (ADCC)?

• A. They produce antibodies to mark target cells for destruction.
• B. They bind to the Fc region of antibodies attached to target cells, leading to cell lysis.
• C. They phagocytose antibody-coated pathogens.
• D. They enhance the production of complement proteins for cell lysis.

Answer: (B)