What cause the components in the mixture in the column chromatography to separate?

Two critical interventions to turn around the opioid crises are:

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.

10. which person would be the least effective host for a pathogen? an older person a young athlete a smoker a sick person