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More than 4.4billion prescriptions were dispensed within the United States in 2016.

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Cyanide works by making the human body unable to use oxygen.

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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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Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.

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The term bacteria was devised in the 19th century by German biologist Ferdinand Cohn. He based it on the Greek word "bakterion" meaning a small rod or staff. Cohn is considered to be the father of modern bacteriology.

Solubility Rules Solubility Rules
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Video: Enzyme structure - Properties of enzymes

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