Muddy water contains microorganisms, clay, and silt. which of the following statements suggests that muddy water is a suspension? it is a heterogenous mixture and particles settle down if left undisturbed. it is a heterogenous mixture and particles do not settle down. it is a homogenous mixture and particles settle down if left undisturbed.

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.