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- 3.Which of the following statements is incorrect? a. We only need to consume vitamins in small amounts b. Vitamins are precursors to some coenzymes c. Some vitamins are fat-soluble whereas others are soluble in water d. All of the above e. None of the above4. Which process does NOT happen in the small intestine during lipid digestion? a. secretion of bile salts b. formation of micelles c. absorption of long-chain fatty acids by the enterocytes d. a, b, and c are the correct answer. 5. Which of the following describes the enzymatic activity of pancreatic lipase? a. It hydrolyzes the bond between the fatty acids and glycerol. b. It emulsifies the lipid droplet into smaller globules. c. both a and b d. neither a nor b 6. What is the correct sequence of events during lipid digestion? I. formation of chylomicrons II. gastric lipase hydrolysis Ill. secretion of bile salts IV. formation of micelles V. pancreatic lipase hydrolysis a. III, II, IV, V, I b. IV, III, II, I, V c. II, III, V, IV, I d. None of the options above is correct.4. How are fatty acids catabolised to CO2? Write down all the four steps of beta oxidation providing structures of the carbon skeleton involved in the reaction, names of enzymes and cofactors
- 7. Which of the following is NOT a component of chylomicrons? a. triacy|glycerol b. phospholipids c. both a and b d. neither a nor b 8. What enzyme hydrolyzes the free fatty acids in the bloodstream? a. pancreatic lipase b. gastric lipase c. lipoprotein lipase d. None of the options above is correct. 9. What is the main component of adipose tissues? a. lipid droplets b. milk c. both a and b d. neither a nor b5. Which of the following enzymes is NOT used when fructose is metabolized to pyruvate in the liver? a. triose phosphate isomerase b. glyceraldehyde-3-phospate dehydrogenase c. glucokinase d. phosphofructokinase-1 e. pyruvate kinase5. Explain the significance of pentose phosphate pathway in your own words
- 4. What are three enzymes present in saliva and function of any one of the enzyme?3. These are the by-products of aerobic respiration that are considered low-energymolecules.1.Which of the following tissues can use glucose, but not fatty Acids, as a source of fuel? A. Skeletal Muscle B. Cardiac tissue C. Liver D. Red Blood Cells E. Adipose: D. Red Blood Cells __________ Brain and RBC
- 1.Explain how dietary lipids are absorbed by the human body.The role of the liver in digestion is to: a. synthesize aminopeptidase and dipeptidase to digestpolypeptides. b. synthesize lipase to form free fatty acids. c. secrete trypsin to break the bonds in polypeptides. d. secrete bicarbonate ions and bile salts to help emulsify fats. e. store bile between meals.The order of successive steps in digestion is: a. absorption follows enzymatic hydrolysis. b. secretion of enzymes follows absorption of digestive material. c. mechanical processing follows enzyme secretion. d. mechanical processing follows enzymatic hydrolysis. e. enzymatic hydrolysis precedes secretion of digestive aids.