Pathology Which of the following feature is common to both cytotoxic T-cells and NK cells? A Synthesis of antibody B Effective against virus infected cells C Requirement of antibodies for action D Recognize antigen in association with HLA class II markers 💡 Explanation Which of the following feature is common to both cytotoxic T-cells and NK cells? ✓ Correct Answer: B. Effective against virus infected cells