Examlex
Who was NOT in the invisible primary for the Republican Party in 2012?
Cytotoxic T Cells
Cytotoxic T cells are a type of white blood cell that can directly kill infected cells or cancer cells by recognizing specific antigens on the cell surface.
Innate Immunity
The first line of defense in the immune system, consisting of physical, chemical, and cellular defenses against pathogens.
Immune Response
The body's defensive reaction to eliminate pathogens or foreign substances.
Natural Killer Cells
Natural Killer Cells are a type of lymphocyte in the immune system that can recognize and destroy cancerous or virus-infected cells without prior sensitization.
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