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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Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.
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Patients who have been on total parenteral nutrition for more than a few days may need to have foods gradually reintroduced to give the digestive tract time to start working again.
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Vaccines prevent between 2.5 and 4 million deaths every year.
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Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.
A color-enhanced midsagittal MRI scan.
How to solve a half life problem involving exponential models (Question 2)
Find the derivative by using the chain rule, question 2