Which components make up most of the dry mass of a balanced diet? A )calcium compounds, carbohydrates and fats

B )carbohydrates, fats and proteins

C)fats, proteins and vitamins

D )proteins, vitamins and calcium compounds

Match each symbol with its description.

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.

When muscles contract, they become .