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Biology, 22.06.2019 05:00, cortneykeeler
Explain how organisms could be harmed by high levels of salt from roadways?
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Biology, 22.06.2019 12:30, Hunter1471
Creating new things to solve problems and improve life depends on the close interaction of which two fields?
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Biology, 22.06.2019 13:00, mimivenga
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?
Answers: 1
What is the relationship among organs, cells, and tissues?...
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