Did you know?
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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Atropine, along with scopolamine and hyoscyamine, is found in the Datura stramonium plant, which gives hallucinogenic effects and is also known as locoweed.
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More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.
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The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.
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All patients with hyperparathyroidism will develop osteoporosis. The parathyroid glands maintain blood calcium within the normal range. All patients with this disease will continue to lose calcium from their bones every day, and there is no way to prevent the development of osteoporosis as a result.
FT-IR experiment
Perceptual judgment task used in Asch’s conformity studies
Who's line is it anyway
Landsteiner's experiment demonstrating the exquisite specificity of the immune system.
The transfer experiment that demonstrated the existence of RNA primers in DNA replication
Bright-Line Spectra of Hydrogen and Helium