The stomach is very acidic whereas the small intestine is very alkaline. Which of the following conclusions can be made about the two proteases?
The blue protease works best in the small intestine
The red protease works best in the stomach
The red protease works well in both the stomach and the small intestine
The blue protease works best in the stomach
no

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.