Energy in the atom can be absorbed or released only in quanta of energy. true false

Select the correct answer from each drop-down menu proteins are

Describe the relationship and movement between temperature and density in a convection cell. make sure you identify the direction of travel

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.