All of the following are true of the natural killer cells (NK cells) EXCEPT that they
A) are most active in innate responses.
B) are central to adaptive immunity, like B and T cells.
C) alert the immune system to the presence of antigens.
D) kill weakened or dying body cells.
E) combat viral infections and cancer.
Correct Answer:
Verified
Q1: Q18: Pre-cancerous and even early cervical cancer Q19: "Complement" refers to a set of specific Q20: Which of the following is true for Q21: The first cells to encounter a threat Q24: Lysozyme Q25: Atherosclerosis is now known to be a Q26: Microbes that are harmless or even beneficial Q27: The white blood cells that may connect Q28: Which of the following is NOT involved
A)can be
A)vaccines.
B)defense
A)is secreted by endocrine glands in the
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