Where are chlorofluorocarbons found? A) coolants
B) the atmosphere
C) solvents
D) all of the above
Please select the best answer from the choices provided

Rotenone is an insecticide that is toxic

The combining form leuk/o means red true or false

Imagine a self-reactive t cell that has not undergone clonal deletion in the thymus (that is to say, it has escaped central tolerance). if it encounters self antigen in the absence of an infection or inflammation, what will happen to this self-reactive t cell? (select two answers) (a) the t cell undergoes clonal expansion. (b) the t cell gains effector functions. (c) the t cell undergoes apoptosis. (d) the t cell becomes activated. (e) the t cell becomes anergic.