Biology, 18.01.2021 06:00 sherlock19
Crust describes the outermost shell of a terrestrial planet. Earth's crust is relatively thin, just 40-kilometers (25-miles) deep. Earth's crust can be divided into two types: continental and oceanic. Compare/contrast the two types of crust.
Answers: 3
Biology, 21.06.2019 15:30, glocurlsprinces
What does resonance result in? quieter sounds frequency amplitude louder sounds
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Biology, 22.06.2019 12:00, JohnnyR7057
Animals that have thick fur and ae able to store large amounts of body fat live where ?
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Biology, 22.06.2019 13:00, mimivenga
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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