What evidence is there that the earth is actually warming up?
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Biology, 01.02.2020 07:43 pierrezonra
What evidence is there that the earth is actually warming up?
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Answers: 1
Biology, 22.06.2019 04:30
With the word calcite wich completes the analogy mineral, erosion, marble, or aragonite
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Biology, 22.06.2019 05:00
The chemical form of energy that is useable by the cell to do work
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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
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