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Type III secretion systems are used to inject "effector" proteins directly into a host cell. Salmonella uses a type III secretion system to help the pathogen to | |
A. | survive the acid pH of the stomach [Wrong Answer] |
B. | secrete LT (heat labile toxin) and ST (heat stable toxin) into the lumen of the intestine [Wrong Answer] |
C. | survive within macrophages [Correct Answer] |
D. | activate T cells to proliferate and secrete cytokines [Wrong Answer] |