Which of the following statements about natural killer cells is FALSE?
A) They destroy virus-infected cells.
B) They destroy tumor cells.
C) They destroy cells lacking MHC I.
D) They are stimulated by an antigen.
E) None of the answers are correct; all of these statements are true.
Answer: D) They are stimulated by an antigen.
If the answers is incorrect or not given, you can answer the above question in the comment box. If the answers is incorrect or not given, you can answer the above question in the comment box.