QUESTION 6 In order for chemical digestion to occur in the small intestine, the pancreas releases stomach acid, to continue carbohydrate digestion and to to neutralize for fat digestion.
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Stomach acid is highly acidic, and the small intestine needs a more neutral pH for enzymes to function properly. Bicarbonate is a base that neutralizes the acid. Show more…
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11. The enzymes present in pancreatic juice are A. bile, amylase, and lipase B. amylase, lipase, and trypsinogen C. hydrochloric acid, pepsinogen, and bile D. sodium bicarbonate, trypsinogen, and lipase 12. The substance necessary for digestion of all organic molecules in the digestive tract is A. bile B. water C. vitamin K D. hydrochloric acid 13. Digestive juices are secreted into the small intestine from the A. liver, villi and esophagus B. pancreas, liver and duodenum C. stomach, pancreas and gall bladder D. gall bladder, stomach and duodenum
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CHEMICAL DIGESTION REVIEW QUESTIONS 1. Hydrolysis is the: a. break up of molecules by adding water b. process necessary to precede absorption c. enzymatic process used in digestion d. all of the above 2. Carbohydrate hydrolysis in the mouth results in the products known as: a. glucose b. disaccharides (i.e. maltose) c. simple sugars d. fructose 3. Carbohydrate digestion may be demonstrated by using an indicator dye for the presence of the disaccharide maltose, known as: a. Lugol's b. litmus cream c. Benedict's solution d. trypsin 4. Which of these changes color in the presence of starch? a. Lugol's solution b. litmus cream c. Benedict's solution d. trypsin 5. The chemical digestion of proteins begins in the: a. stomach b. small intestine c. mouth d. pancreas 6. ________ are enzymes that hydrolyze proteins to produce their subunits. a. catalases b. proteases c. amylases d. lipases 7. A solution containing trypsin and BAPNA that is allowed to incubate may change from a clear to yellow color, indicating the presence of: a. maltose b. amino acids c. triglycerides d. all of the above 8. A solution containing only trypsin will not change color because: a. it contains carbohydrates b. there are no lipids added c. it contains only dye d. no substrate is added 9. Litmus cream may be used to demonstrate: a. starch hydrolysis b. protein hydrolysis c. lipid hydrolysis d. all of the above 10. Lipid digestion occurs in two phases. The first phase is necessary to break apart large fat droplets, and is performed by: a. lipases b. bile c. proteases d. Benedict's solution
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