Biology, 09.10.2020 22:01 johnisawesome999
Which uses combustion to transfer thermal energy to warm a building? heat engine furnace refrigeration unit heat pump
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How does secondary succession differ from primary succession?
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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.
Answers: 1
Which uses combustion to transfer thermal energy to warm a building? heat engine furnace refrigerati...
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