Identify the following as either specific or nonspecific immune responses, and for each provide a onesentence

explanation of its function or role.
A. macrophages
B. natural killer cells
C. memory cells What will be an ideal response?


A. Macrophages participate in nonspecific immune responses by phagocytosis of pathogens that have
pathogen-associated molecular patterns on their cell surface.
B. Natural killer cells participate in nonspecific immune response by destroying tumor cells with
abnormal MHC I displays on the cell membrane.
C. Memory cells are specific T or B cells generated by previous exposure to specific antigens.

Biology & Microbiology

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