What is a vestigial structure
A) a structure that contains isotopes.
B) a structure that has...
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Biology, 21.06.2019 23:30
Sweating and breathing is an example of differentiation specialization maintaining homeostasis metabolism
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Biology, 22.06.2019 09:30
Astore manager timed janette to see how long it would take her to fold and put away a sweater, a shirt, a pair of pants, and a scarf. it took her 26.1 seconds for the shirt, 24.3 seconds for the sweater, 32.8 seconds for the pants, and 18.2 seconds for the scarf. what was the average time it took janette to fold and put away all four items? during a catered lunch, an average of 4 cups of tea are poured per minute. the lunch will last 2 hours. how many gallons of tea should the caterer bring if there are 16 cups in one gallon?
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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
History, 04.11.2019 10:31
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English, 04.11.2019 10:31
Mathematics, 04.11.2019 10:31
Mathematics, 04.11.2019 10:31
Mathematics, 04.11.2019 10:31
Mathematics, 04.11.2019 10:31
Mathematics, 04.11.2019 10:31