How large was the sea turtle fossil fossil found in south dakota?

Explain how sequences of amino acids in proteins can be used to reveal relationships among organisms.

Based on her survey, which advertising mediums will work best to publicize leslie's in-store specials?

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.