Biology, 21.12.2019 03:31 claplo9141
You work hard to pedal your bicycle up a steep hill. you rest when you get to the top, then you let your bicycle roll quickly down the other side of the hill. you converted energy into energy, then you converted it back into energy.
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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, 22.06.2019 23:00
What determines whether a particular cell is able to respond to a hormone?
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Biology, 23.06.2019 00:00
What term is applied to a scientist who studies ancient life including animal and plant fossils
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Biology, 23.06.2019 01:40
Why are recessive alleles not removed from populations over time? a.individuals can pass recessive alleles on to offspring b.recessive alleles are removed with enough time c.recessive alleles will always reappear after being removed
Answers: 1
You work hard to pedal your bicycle up a steep hill. you rest when you get to the top, then you let...
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