Microbiology Difference between natural killer and cytotoxic cells is – A Interferon decreases natural killer activity B NK cell has CD4 C Cytotoxic cell lyse IgG coated target cells D NK cell contain azurophilic granules 💡 Explanation Difference between natural killer and cytotoxic cells is - ✓ Correct Answer: C. Cytotoxic cell lyse IgG coated target cells