What is perforin?
A) a type of antibody synthesized by B cells
B) a protein produced by NK cells
C) a type of interferon
D) a toxin expressed by some pathogens that is capable of damaging healthy cells
E) a destructive enzyme secreted by sebaceous glands
Correct Answer:
Verified
Q14: Areas of the spleen that contain large
Q34: The white pulp of the spleen is
Q45: Various types of macrophages are derived from
A)
Q47: Interferons are released by some macrophages and
Q49: The attraction or repulsion of certain cells
Q52: The effects of activating the complement system
Q54: The largest single collection of lymphoid tissue
Q56: Inflammation produces all of the localized effects
Q61: The cells that perform immunological surveillance are
Q63: The first line of cellular defense against
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