The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.
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The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.
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In 1864, the first barbiturate (barbituric acid) was synthesized.
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Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.
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Approximately 500,000 babies are born each year in the United States to teenage mothers.
Concept of Health by Children
In early industrialization, children worked alongside adults. They worked 12 hours a day Monday to ...
The hatred and vengeance of adults become the children’s heritage. The headband of this 4-year-old ...
Auguste Renoir: MME. CHARPENTIER AND HER CHILDREN
Cognitive Development of Children
Examples of how the recessive gene for straight hair passes from parents to children