Pathology Which of the following cells do Natural killer cells attack? A Cells which express MHC 1 B Cells which are not able to express MHC 1 C MHC cells which express MHC 2 D Cells which are not able to express MHC 💡 Explanation Which of the following cells do Natural killer cells attack? ✓ Correct Answer: B. Cells which are not able to express MHC 1