Question: Several bacteria live naturally in a material on your teeth called plaque that
contains
many
different species, which interact with each other in significant
ways. Identify some of the problems of studying one of these bacterial species
after isolating it through a streak plate procedure and examining its behavior.
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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.