In a study comparing the genetic contribution to eating disorders, researchers found that in % of identical twin pairs both twins had bulimia nervosa, while that number was % of fraternal twin pairs. although this does not rule out the influence of environmental and sociocultural factors, it does present compelling evidence for a genetic contribution to these conditions.
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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, 22.06.2019 03:00
Radiometric dating is used to tell the absolute age of materials by studying the decay rate of radioactive isotopes. the decay rates of isotopes are constant and are expressed as .
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Biology, 22.06.2019 06:30
Amino acids contain the elements carbon, hydrogen, oxygen, nitrogen, and sometimes sulfur. of the 20 amino acids found in humans, 11 are called "nonessential" because they can be manufactured by the body when needed. which elements in these 11 amino acids are commonly obtained from the metabolism of sugar molecules?
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In a study comparing the genetic contribution to eating disorders, researchers found that in % of i...
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