9-2 class notes - Water (cell targidity) Lipid (cell...

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Nutritional Science 23:41 Use TA’s Which of these are useful in cancer prevention? A) vitamin supplements – vitamin D – sun -> skin cancer, beta carotene (vitamin A)  **B) not smoking – smoking can cause many diff types of cancer C) exercise - ^ immune response D) diet rich in fruits/vegetables – ^ antioxidants – better absorption, nutrients, fiber,  means less fat  E) spam Confounders? INTRODUCTION Nutrients Water Macronutrients (need in big quant.) vs  Protein Carbohydrates Fat (lipid) Micronutrients (need in small quant.) Vitamins Minerals Non-required Alcohol Phyto nutrients
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Functions of Nutrients Structure Protein (muscle, tendons, organs, skin)
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Unformatted text preview: Water (cell targidity) Lipid (cell membranes) Minerals (bone and teeth) Energy Fuel Kilo calories Energy Carbohydrate 4 kilocal/gram Protein 4 Fat 9 Alcohol 7 Regulation of Metabolism Sum of all chemical reactions taking place in the body Synthesis use protein catalysts (substance that participates in a chemical reaction without being used up, facilitates reaction enzymes control specific chemical reaction in body) Energy release vitamins Fluid balance regulation of water in body, maintained by minerals and protein 23:41 23:41...
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9-2 class notes - Water (cell targidity) Lipid (cell...

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