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Chapter 5 Study Guide - Study Guide Chapter 5 Carbohydrates...

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Study Guide: Chapter 5 Carbohydrates 1. Describe the process of photosynthesis. Plants use carbon dioxide, water, and energy to produce carbohydrates such as glucose. Glucose is then stored in the leaf but can also undergo further metabolism to form starch and fiber in the plant. 2. Identify the three major disaccharides and describe how each plays a part in the human diet. Maltose- an ingredient in alcohol, like beer Sucrose- table sugar… Lactose- milk? 3. What are amylose, amylopectin, and glycogen and do they differ from one another? Why is glycogen important in metabolism? Amylose and amylopectin are energy sources for plants and animals that eat plants. Amylose is straight-chained, and amylopectin is a branched-chain. 4. What are the possible roles that dietary fiber plays in the diet? Adds bulk to feces, Some energy, Decreases intestinal transit time, Slows glucose absorption, Can lower blood cholesterol. 5. What is the difference between soluble and insoluble fiber? Where are each found in foods? Soluble either swell or dissolve when placed in water and are metabolized by bacteria in the large intestine. Insoluble do not dissolve in water. Soluble fiber foods- fruits, vegetables, salad dressings with added gums, psyllium, oat products, soybean, rice bran.
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