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Question: Approximately __________ percent of cases of intellectual disability have no known cause. (Read 2932 times)
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There are major differences in the metabolism of morphine and the illegal drug heroin. Morphine mostly produces its CNS effects through m-receptors, and at k- and d-receptors. Heroin has a slight affinity for opiate receptors. Most of its actions are due to metabolism to active metabolites (6-acetylmorphine, morphine, and morphine-6-glucuronide).
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The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.
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People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.
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Liver spots have nothing whatsoever to do with the liver. They are a type of freckles commonly seen in older adults who have been out in the sun without sufficient sunscreen.
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Nitroglycerin is used to alleviate various heart-related conditions, and it is also the chief component of dynamite (but mixed in a solid clay base to stabilize it).
Cranial capacity has increased approximately fourfold over the last 3.5 million years of hominin evo
Firing Rate of Individual SCN Neurons in a Tissue Culture Color bars have been added to emphasize th
Percent of Mothers in the Workforce by Age of Children and Marital Status
Polio eradication campaign in Georgia in the 1950s. In the 1950s, 20,000 cases of polio occurred ...
In the reaction C(s) + O2(g) CO2(g) carbon is __________.
The amino acid lysine has the percent composition 49.3% C, 9.59% H, 19.2% N, and