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Biology, 22.06.2019 04:30
Donde se encuentra el adn nuclear en un organismo eucariota?
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Biology, 22.06.2019 12:00
Is dna the same in every cell in the human body explain your answer
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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
[OU.02] Which of these instruments can be used to gather radiations from distant stars to make them...
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