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Biology, 22.06.2019 13:20
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.
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Biology, 22.06.2019 16:00
Which of the following are responsible for sending messages from the hypothalamus to the thalamus?
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Biology, 22.06.2019 19:30
Consider the activity and specificity of the three enzymes.pepsin is most active in the human and to digest
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How do melanocytes contribute to skin color?...
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