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Biology, 13.01.2020 09:31, dbenjamintheflash5
The onset of rem sleep the release of neurotransmitters called
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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?
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Biology, 22.06.2019 16:30, aiken11192006
Organize the following objects from lowest volume to highest volume
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Biology, 22.06.2019 18:40, memoryofdale
Hey everybody i need with a biology question. all the gametes of isogamous organisms are genetically identical. true false
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