Which type of tectonic plate interaction forms a mid ocean ridge?

What re the two main phrases of the cell cycle.

Which substance contains thylakoids? a) nadph b)atp c)stroma d)chloroplast

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.