Natural killer cells are different from other lymphocytes because they:
A)produce antibodies
B)are not specific for a particular foreign antigen
C)are specific for a particular foreign antigen
D)become memory cells

Question

Quizplus · Accepted Answer

Natural killer cells (NK cells) are part of the innate immune system and are not specific for a particular foreign antigen. Instead, they recognize and destroy cells that have unusual or abnormal surface proteins, such as virally infected cells or cancer cells. NK cells do not produce antibodies, become memory cells, or require previous exposure to a specific antigen for activation.

Natural Killer Cells Are Different from Other Lymphocytes Because They