Which statement about natural killer cells is true?
A) They are a class of phagocytes.
B) They can distinguish between normal cells and cells that have been infected by viruses.
C) They release antibodies.
D) They inject defensins into targeted cells.
E) They are unable to recognize cells that form tumors.
Correct Answer:
Verified
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Q22: T cells mature in
A) the thymus.
B) lymph
Q23: Which reaction supports the hypothesis that a
Q24: Refer to the figure showing an immune
Q26: Defensins, which are toxic to a wide
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Q28: Which defense is most likely to be
Q29: Which statement about interferons is true?
A) They
Q30: If you come down with a streptococcal
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