Biology, 20.02.2020 02:11 khalilah2000ortbfy
What vessel returns filtered blood to the inferior vena cava
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Look at the photo of the leaf. which term best describes this leaf?
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Select the correct answer from each drop-down menu proteins are
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28. how many linkage groups will be formed by homogametic organism with 28 chromosomes?
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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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What vessel returns filtered blood to the inferior vena cava...
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