How do natural killer cells destroy target cells?
A) by releasing perforin, which creates holes in the cell membrane
B) by releasing histamine, which signals other blood cells to aggregate
C) by releasing antibiotics, which break down the cell membrane
D) by releasing antibodies, which break down the cell wall
Correct Answer:
Verified
Q27: Q28: What does an antibody molecule consist of? Q29: Which molecules regulate defence responses via signal Q30: How are antibodies classified? Q31: How is antibody-mediated immunity different from cell-mediated Q33: Which statement refers to the mouse?
A)a
A)as carbohydrates
B)as immunoglobulins
C)as nucleoproteins
D)as
A)Females give
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