Answers: 1
Biology, 21.06.2019 18:30
The gene that causes sickle-cell disease is present in a higher percentage of residents of sub-saharan africa than among those of african descent living in the united states. even though this gene causes sickle-cell disease, it also provides some protection from malaria, a serious disease that is widespread in sub-saharan africa but absent in the united states. discuss an evolutionary process that could account for the different percentages of the sickle-cell gene among residents of the two regions.
Answers: 2
Biology, 22.06.2019 16:00
Which areas of earth receive the most precipitation on average? a. tropics b. temperate zones c. regions near 30? n and s latitudes d. polar zones 1
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Biology, 22.06.2019 20:20
How is anaerobic respiration affected by changes in temperature? (5 points)based on the conditions of early earth, what conclusion can you draw about the amount of anaerobic respiration that was occurring at earth’s beginning? explain your answer.(5 points)if there was a sudden drop in temperature after the evolution of the first living cells, predict how that might have affected the changes in the atmosphere and the evolution of cyanobacteria and other autotrophs. explain your answer. (5 points)
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Biology, 22.06.2019 21:30
Preventive health behaviors rarely have much influence on health as most diseases are genetic. a. true b. false
Answers: 1
Is a human skin cell prokaryotic or eukaryotic?...
Mathematics, 15.06.2020 00:57
Mathematics, 15.06.2020 00:57
Mathematics, 15.06.2020 00:57
Mathematics, 15.06.2020 00:57
Mathematics, 15.06.2020 00:57
Mathematics, 15.06.2020 00:57
Mathematics, 15.06.2020 00:57
English, 15.06.2020 00:57
Mathematics, 15.06.2020 00:57