In cell-mediated immunity: Antigens are presented by an infected macrophage via Class I MHC B cells roam around until they find a matching antigen, and then they attack that cell Antigens are presented by an infected nucleated cell via Class II MHC Infected cells are killed by Cytotoxic T cells
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Step 1: In cell-mediated immunity, antigens are presented by an infected nucleated cell via Class II MHC. Show more…
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MHC class II molecules bind to _____________ and trigger _______________. a. endogenous antigens; cytotoxic T cells b. exogenous antigens; cytotoxic T cells c. antibodies; $B$ cells d. endogenous antigens; helper T cells e. exogenous antigens; helper T cells
Cytotoxic T cells are able to recognize infected body cells because a. the infected cells display foreign antigens. b. the infected cells produce antigens. c. infected cells release antibodies into the blood. d. helper T cells destroy them first.
A dendritic cell engulfs a bacterium, then presents bacterial bits on its surface together with ______. a. MHC molecules b. antibodies c. T cell receptors d. antigens
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