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Author Question: A representative fraction (RF) scale on a map must be expressed in terms of some unit of ... (Read 21 times) |
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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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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
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Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.
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The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
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Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.