[DAT Question of the Day, Click Display Images To See] + Join us on Facebook<https://datquestionoftheday.us4.list-manage.com/track/click?u=d3318065969b7c08ead5d4c4d&id=78d9235420&e=61d7ba7392> + Connect on Twitter<https://datquestionoftheday.us4.list-manage.com/track/click?u=d3318065969b7c08ead5d4c4d&id=ab5279262b&e=61d7ba7392> Cytotoxic T-cells Which of the following is the chemical released by activated cytotoxic T-cells to fight a viral infection? A. actin B. perforin C. tubulin D. histamine E. antibodies To see the solution and images, visit the following link: http://datquestionoftheday.com/biology/cytotoxic-t-cells/<https://datquestionoftheday.us4.list-manage.com/track/click?u=d3318065969b7c08ead5d4c4d&id=2b67349c5d&e=61d7ba7392>