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Author Question: The cell wall of plant cells is composed of ____. a. cellulose b. lipid c. protein d. ... (Read 99 times) |
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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
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It is important to read food labels and choose foods with low cholesterol and saturated trans fat. You should limit saturated fat to no higher than 6% of daily calories.
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Certain chemicals, after ingestion, can be converted by the body into cyanide. Most of these chemicals have been removed from the market, but some old nail polish remover, solvents, and plastics manufacturing solutions can contain these substances.
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There are 20 feet of blood vessels in each square inch of human skin.
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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.