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Food Tests - Identifying Nutrients [Insert Name Here] (1).docx

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Student Exploration: Identifying NutrientsVocabulary:carbohydrate, disaccharide, lipid, monosaccharide, polysaccharide, protein,starchPrior Knowledge Questions(Do these BEFORE using the Gizmo.) (KU)1.What are the major types of nutrients you can get from food?2.How are these nutrients used in the body?Gizmo Warm-upHave you ever wondered what is in your food? Scientists usea variety of tests to determine the nutritional content offood. You will learn four of those tests with theIdentifyingNutrientsGizmo™.3. Below theFood sampleslabel, drag tubeAinto theFood sample holder. Below theBenedict test, click theTestbutton. What is done in the Benedict test? (TI)4. The Benedict test is a test formonosaccharides; simplesugars like glucose or fructose (fruit sugar). In contact withmonosaccharides, the Benedict solution turns from blue topink. DoesSample Acontain monosaccharides?Note:Disaccharidessuch as sucrose (table sugar) and lactose (milk sugar) are more complex thanmonosaccharides. The Benedict test doesn’tdetect disaccharides directly. (TI)
Activity A:IdentifyingnutrientsGet the Gizmo ready:● ClickReset.● DragSample Ainto theFood sampleholder.Introduction:Most food is composed of three types of molecules:carbohydrates,proteins, andlipids.

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Term
Fall
Professor
professor_unknown
Tags
Glucose, Benedict, variety of tests

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