Natural killer cells destroy target cells by releasing ____.
A) antibiotics, which break down the target cell's membrane
B) perforin, which creates holes in the target cell's membrane
C) histamine, which signals other blood cells to aggregate
D) lysozyme, which breaks down the bacterium's cell wall
E) antibodies, which break down the bacterium's cell wall
Correct Answer:
Verified
Q1: The complement system is a group of
Q2: Which type of leukocyte is involved in
Q4: Disease-causing viruses or organisms are called _.
A)
Q5: The immune system consists of _.
A) physical
Q6: How is adaptive immunity different from innate
Q7: Upon a second exposure to a pathogen,
Q8: Edward Jenner infected individuals with _ to
Q9: Interferons_.
A) make holes through bacterial cell membranes
B)
Q10: During inflammation, tissue damage activates _, which
Q11: Edward Jenner's work became the basis for
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