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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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Women are two-thirds more likely than men to develop irritable bowel syndrome. This may be attributable to hormonal changes related to their menstrual cycles.

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The average adult has about 21 square feet of skin.

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It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.

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About 60% of newborn infants in the United States are jaundiced; that is, they look yellow. Kernicterus is a form of brain damage caused by excessive jaundice. When babies begin to be affected by excessive jaundice and begin to have brain damage, they become excessively lethargic.

Some red squirrels adopt the offspring of related individuals, a likely example of kin selection pro Some red squirrels adopt the offspring of related individuals, a likely example of kin selection pro
This foal was born with another horse in its fur! This foal was born with another horse in its fur!
Percentage of Foreign-Born Whites and Native Whites of Foreign or Mixed Parentage in Total Populatio Percentage of Foreign-Born Whites and Native Whites of Foreign or Mixed Parentage in Total Populatio
Where do you think these people fit in Gans’ classification of urban dwellers? Where do you think these people fit in Gans’ classification of urban dwellers?
People with binge eating disorder often eat in secret People with binge eating disorder often eat in secret
Individuals from highly divergent lines created by artificial selection Individuals from highly divergent lines created by artificial selection
Video: The 4 steps of translation Animation

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