How do NK cells detect cancer cells?
A) NK cells recognize cancer cells by the abnormally large size cancerous cells become.
B) NK cells recognize cancer cells by the abnormally small size cancerous cells become.
C) NK cells recognize cancer cells by the antibodies the cancer cells secrete.
D) NK cells recognize cancer cells by the cytokines the cancer cells secrete.
E) NK cells recognize cancer cells by the tumor-specific antigens on the plasma membranes of cancer cells.
Answer: E
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