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Biology, 22.06.2019 07:00
Give an example of a trait that is controlled by more than one gene.
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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 22:00
What cpt® codes are reported for the destruction of 16 premalignant lesions and 10 benign lesions using cryosurgery?
Answers: 1
Which is the preserved evidence of the activity of an organism a) cast b) mold c) fossil film d) tra...
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