Biology, 22.04.2020 16:01 rachelsweeney10
A person picks up a heavy suitcase in order to estimate its weight and reflexively drops it. Which receptor has initiated this reflex?
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Biology, 21.06.2019 15:30
The development of_ factored in the development of complex organisms.
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Biology, 22.06.2019 05:20
Match the description of each organism to the appropriate category
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Biology, 22.06.2019 13:00
Astudy by solloch and et. al., in 2017, gives the map above which shows the frequency of alleles with a ccr5-delta32 mutations over 87 different countries. this mutation deletes the presence of a co-receptor (ccr5) on the outside of human t-cells (lymphocytes). some viruses, such as the one responsible for the black death and human immunodeficiency virus (hiv), require this receptor for attachment to host cells during the infection process. the black death was an epidemic that passed over northern europe during the 14th century killing nearly 60% of europeans. according to this information, which explanation best explains why northern europeans show a greater immunity for hiv than some other parts of the world?
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Biology, 22.06.2019 14:30
How can we use spectral lines of light coming from the superclusters to identify which is receding from earth at the slowest rate.
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A person picks up a heavy suitcase in order to estimate its weight and reflexively drops it. Which r...
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