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Biology, 21.06.2019 14:30
Scientist have long study the earths climate by looking at which of the following? the earths orbit. the earths rock layers. the antarctic ice. the earths oceans.
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Biology, 21.06.2019 15:20
Are substances released into the environment that in excess amounts cause damage
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Biology, 22.06.2019 07:30
When listening the levels of orginization in orginisims from the smallest to most complex , which level is just below organs in complexity
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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
Chemical energy is stored in molecules in is released through which process?...
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