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Biology, 19.08.2019 19:30, ryantrajean7
Aperson surviving a disease acquires what is called passive immunity.
true
false
![answer](/tpl/images/cats/otvet.png)
Answers: 2
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Biology, 22.06.2019 13:20, abolton04
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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Slow down transpiration by the stomata question 9 options: a guard cells; closing b chloroplasts; closing c guard cells; opening d chloroplasts; opening
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Aperson surviving a disease acquires what is called passive immunity.
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