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Biology, 21.06.2019 17:30
Look at the picture below . what does this picture represent ?
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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.
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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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What happens to a euglena when sunlight is not present...
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