Natural killer cells can kill infected or abnormal cells by the release of _, which form pores in the target cell's membrane.
A) perforins
B) antibodies
C) complement proteins
D) fragmentins
E) interferons
Correct Answer:
Verified
Q25: What secretes cytokines that enhance the activity
Q26: While _ _ is released early in
Q27: The complement cascade can be activated by
Q28: Recruited leukocytes that have invaded the vessel
Q31: A plasma cell secretes approximately antibody molecules
Q32: What phagocyte initiates inflammation?
A)mast cells
B)cytotoxic T cells
C)helper
Q33: Once bound by antibodies, an antigen is
Q34: Which of the following cells are activated
Q35: When a B cell contacts a foreign
Q90: The most abundant class of antibody in
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