- Grade 11 and 12 Mathematics (Moderator: geoffrey)
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Author Question: A clothing store sells fancy hats at a gross margin of $3.50 each and ordinary hats at a gross ... (Read 89 times) |
- Grade 11 and 12 Mathematics (Moderator: geoffrey)
Did you know?
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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Long-term mental and physical effects from substance abuse include: paranoia, psychosis, immune deficiencies, and organ damage.
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Colchicine is a highly poisonous alkaloid originally extracted from a type of saffron plant that is used mainly to treat gout.
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The term pharmacology is derived from the Greek words pharmakon("claim, medicine, poison, or remedy") and logos ("study").
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Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.