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Answers: 3
Biology, 21.06.2019 19:30
In the african savanna,more wildebeests are born than the environment can support. which is most likely to happen over a period of years as a result
Answers: 1
Biology, 22.06.2019 02:00
What would happen if the krill were removed from the food web
Answers: 2
Biology, 22.06.2019 11:30
According to theories of how life began, how did early organic molecules begin to separate from the outside world? a: specialized enzymes were required b: chains of amino acids created a barrier c: formation of microspheres or vesicles d: rna catalyzed the formation of membranes
Answers: 3
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
Biology, 17.04.2020 20:07
Computers and Technology, 17.04.2020 20:08
Mathematics, 17.04.2020 20:08
Mathematics, 17.04.2020 20:08
Computers and Technology, 17.04.2020 20:09
Mathematics, 17.04.2020 20:09
Biology, 17.04.2020 20:10