Describe. What are six traits of a good scientific observer?

Melting glaciers is a serious threat to the environment what is the possible consequence of melting glaciers on polar bears?

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.

Which step is the same in both forms of fermentation, as well as in cellular respiration?