Answers: 2
Biology, 21.06.2019 20:30, adrianawalker16
Describe at least 2 abiotic and two biotic factors found in the desert biome how do these abiotic factors interact with the biotic factors
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Biology, 22.06.2019 03:00, mariaaalopezz
Discuss the functions of epithelial connective nerviud and muscular tissues
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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
Anurse rubs alcohol like ethanol and isopropanol on a patient's skin before administering an injecti...
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