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Author Question: Animal cells have a cell wall whereas plant cells do not have this framework. Indicate whether ... (Read 83 times) |
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Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
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In 1864, the first barbiturate (barbituric acid) was synthesized.
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Fungal nail infections account for up to 30% of all skin infections. They affect 5% of the general population—mostly people over the age of 70.
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Addicts to opiates often avoid treatment because they are afraid of withdrawal. Though unpleasant, with proper management, withdrawal is rarely fatal and passes relatively quickly.
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The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."