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Author Question: A nutrient or other substance must pass through the cells of the digestive tract wall before it ... (Read 41 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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The newest statin drug, rosuvastatin, has been called a superstatin because it appears to reduce LDL cholesterol to a greater degree than the other approved statin drugs.
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The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).
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The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.
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Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.