Biology, 07.04.2020 21:09 preservations
The deepest parts of the ocean are hostile to life. A barren stretch of sea floor recently experienced an earthquake that opened up a hydrothermal vent. This vent provides heat and nutrients. Over time, the area became filled with various deep-sea life forms. What kind of ecological activity is this?
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Biology, 22.06.2019 07:00
When lactate builds up in a runners muscles it causes a burning sensation what causes this to occur
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Biology, 22.06.2019 10:00
1. in a certain species of plant, the color purple (p) is dominant to the color white (p). according the punnett square, what is the probability of and offspring being white? 50%25%0%100% 2. in a certain species of plant, the color purple (p) is dominant to the color white (p). according the punnett square, what is the probability of and offspring being white? 0%100%50%25%(picture 1 is for question 1, and picture 2 is for question 2)
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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 would involve looking at different structures of organisms and comparing how similar they are? a. vestigial structuresb. radiometric datingc. homologous structures
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The deepest parts of the ocean are hostile to life. A barren stretch of sea floor recently experienc...
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