Biology, 30.07.2019 23:30 liamhallowell28
The study of the similarities and differences between embryos of different organism
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Biology, 21.06.2019 14:00
Along with the kidneys, the ureters, bladder, and urethra make up the urinary system. match each function or description to the appropriate structure.
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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?
Answers: 1
The study of the similarities and differences between embryos of different organism...
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