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Biology, 21.06.2019 17:40, persondontknowhelp
Which of the following is an oxidation-reduction reaction? (pictured below)
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Biology, 21.06.2019 18:30, narutoxptheninja
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.
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Biology, 22.06.2019 04:30, Lindsay882
Why are scientists concerned about the depletion of the ozone levels in the stratosphere?
Answers: 2
que debe suceder con los alimentos para que los nutrientes que contienen puedan ser incorporados en...
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