Which of the following best describes a weak base?
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a. it only partially dissociates and produces oh ions in water.
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b. it dissociates completely and produces htions in water.
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c. it dissociates completely and produces oh ions in water.
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d. it only partially dissociates and produces t ions in water.

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.