Q1) Human bile contains all of the following EXCEPT A. glycocholic acid. B. phosphoglycerides. C. triacylglycerol. D. taurocholic acid. Q2) Which statement about protein digestion in the stomach and intestines is FALSE? A. pepsin is irreversibly inactivated when the pH is above 5. B. Chymotrypsin and trypsin show similar specificity in catalyzing the hydrolysis of peptide bonds. C. The action of pepsin in the stomach produces primarily peptide fragments of proteins. D. Intestinal peptidases are required to digest di- and tri-peptides.
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It contains glycocholic acid, triacylglycerol, and taurocholic acid. Show more…
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1. Which process of digestion incorrectly pairs the enzyme or compound with its function? A. Pepsin digests protein B. Lipase digests fat C. HCl lowers the pH in the intestine D. Amylase digests starch 2. Of the answers, which best describes bile? A. The fluid secreted from the pancreas that emulsifies fat. B. The enzyme secreted from the liver that breaks down fat. C. The enzyme from the pancreas that breaks down complex sugars. D. The fluid secreted from the liver that emulsifies fat.
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1. The proteins we consume in our diets are broken down to amino acids. Which of the following are events in the process of protein digestion? Select all that apply. a) Amino acids transported by intestinal capillaries b) Bile salts released in the small intestine c) Transported as chylomicrons d) Dipeptidases on the intestinal surface break down short peptides into amino acids e) Pepsin released in the stomach 2. Enzymes are necessary for digestion of carbohydrates, lipids, and proteins. Which of the following statements are FALSE regarding enzymes? Select all that apply a) Enzymes have specificity. b) Enzymes are altered in reactions. c) Enzymes are involved in catabolic and anabolic reactions. d) Enzymes are always functional. e) Enzymes are protein catalysts.
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