Cytotoxic T cells eliminate pathogens by
A) releasing chemicals which are toxic to cellular pathogens.
B) ingesting and digesting infected or cancerous cells.
C) coordinating the activities of other immune cells.
D) releasing chemicals which cause infected or cancerous cells to undergo apoptosis.
E) ingesting and digesting cellular pathogens.
Answer: D
You might also like to view...
A square meter of fertile soil contains trillions of bacteria
a. True b. False
Relatives of modern ____ and horsetails were the dominant plants during the Carboniferous period
a. club mosses b. peat mosses c. ferns d. liverworts e. hornworts
An envelope
a. surrounds the nucleus. b. surrounds mitochondria. c. consists of two membranes. d. does all of the above.
The synthesis of thyroid hormone requires ____
a. sodium b. calcium c. iodide d. phosphate e. potassium