Natural Killer Cells Destroy Target Cells By

question 49

Multiple Choice

Natural killer cells destroy target cells by:

• A) releasing antibiotics, which break down the cell membranes.
• B) releasing cytokines and enzymes that trigger apoptosis.
• C) releasing histamine, which signals other blood cells to aggregate.
• D) phagocytosis, after the cells are targeted by antibodies.
• E) releasing lysosomal enzymes, which digest the target cells.

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