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Biology, 22.06.2019 11:30
Use the distance formula to determine weather each pair of segments have the same length
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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?
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Biology, 22.06.2019 14:00
Which diagram best represents the chromosomes that would be found in a two new skin cells produced as a result of this process?
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Biology, 22.06.2019 21:00
Amoeba proteus is injected with a drug that inhibits the formation of microtubules. what effect does this have on the organism’s movement?
Answers: 2
What does photosynthesis create that humans need?...
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