Quiz 3 Water and Carbohydrates 9/19-9/22 50 Points 1. Match each of the following to the term that best fits. (10) a. Oligosaccharide = raffinose b. heteropolyglycan = arabinoxylan c. Disaccharide = lactose e. Hexose Sugar = fructose f. homopolysaccharide = amylopectin 2. Drinking water and the water in feed are 2 sources of water for an animal. Name 2 others (4) Metabolic, anabolic, preformed 3. Name the disaccharide that is an alpha 1-4 linkage o... (8) a. α 1-4 glucose to glucose = maltose b. . α 1-6 glucose to glucose = isomaltose c. β 1-4 galactose to glucose = lactose d. . α 1-2 glucose to fructose = sucrose 4. Name 3 ways that animals lose water from the body. (6) Urine, feces, sweat, respiration, evaporation, insensible loss5. Give an example of each form of isomerism (10) (There are other examples that were correct) Form Example Mirror Image D vs L glucose Ring Structure Glycopyranose vs glucfuranose Anomer α vs β- glucose Epimer Glucose vs galactose Aldehyde- ketone isomerism Glucose vs fructose 6. We showed that increasing non-starch polysaccharide(NSP). Why is pig less than bird? (6) Pigs have slower passage rate than birds, so the impact on viscosity is likely less. Pigs can also absorb some of the products of fermentation from the hindgut. Both species have fermentation occurring, but none of the products are absorbed in the bird. 7. Name the form of starch that contains both alpha 1-4 and alpha 1-6 linkages. (2) amylopectin 8. Which would have the highest glycemic index? (2) Amylopectin would have the fastest digestion and therefore the highest glycemic
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