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Unformatted text preview: -Submit your evidence by email beginning at 8pm (April 26, 2011) -First 3 students with acceptable responses will receive 5 extra points on their final grade. April 28, 2011 Wet Hair Can Stretch -Special equipment known as Instron exists to secure, stretch, and fracture material. -An instron measures the distance stretched and force required. -Instrons are designed to properly secure and stretch materials to be tested and are used to evaluate everything form steel wires, to seat belts, to synthetic fibers, to leaves, to natural fibers like hair and silk. Vitamins, Minerals, and Additives Vitamins -Vitamins are organic molecules essential to the diet in small amounts. -There are two types of vitamins. -Fat Soluble o Stored in the liver. o High doses can cause toxicities. o A, D, E and K. -Water Soluble o Coenzymes with polar groups (-OH, -NH2, -COOH) o Eight Bs and C o High doses generally less toxic than fat soluble vitamins....
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- Fall '08