Heterogeneous mixture
a. vinegar
b. air
c. chunky peanut butter

2. what process do mrna and trna work together to complete? (3 points)

Describe the response the kidneys have to dehydration and excessive water intake. what happens to the concentration of urine in each case ?

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.