Biology, 20.03.2021 04:30 laurentsupreme
Why is it advantageous for plants to respond to environmental stresses by going dormant and dropping leaves?
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Biology, 21.06.2019 14:20
People who exercise for an hour may have lower cholesterol levels. is that a statement? a law? or a hypothesis?
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Biology, 21.06.2019 21:30
Which sentence is an example of a strong conclusion to an autobiography? a. i stayed after school three days in a row to practice onstage in the auditorium. b. i knew i would have to practice all week to memorize my dance for the recital. c. after the recital was over, i knew practicing was worth it, and i was looking forward to my next big challenge. d. on opening night, i danced in front of a packed auditorium.
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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 14:00
The law of thermodynamics states that energy can't be created or destroyed. to natural sources of energy on earth are the
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Why is it advantageous for plants to respond to environmental stresses by going dormant and dropping...
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