All of the following are true regarding natural killer (NK) cells EXCEPT that they A destroy cells via phagocytosis. B are a type of lymphocyte. C release toxic substances that induce cellular death. D have the ability to kill infected host cells.
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Step 1: Natural killer cells are a type of lymphocyte that are part of the innate immune system. Show more…
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All of the following are true regarding Natural Killer cells EXCEPT they have a role in detecting and killing tumor cells they are phagocytic cells they have the ability to kill some virus infected body cells. they are a type of lymphocyte.
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What is the difference between natural killer cells and macrophages? a. Natural killer cells are not always present in the body and must be induced, whereas macrophages are constantly present. b. Natural killer cells actually kill foreign cells, whereas macrophages serve only a signaling function. c. Only macrophages can invade host tissues to fight foreign cells that make their way into those tissues. d. Natural killer cells kill foreign cells through the processes of lysis and proteolysis, whereas macrophages kill foreign cells by phagocytosis.
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