Biology (MindTap Course List)
11th Edition
ISBN: 9781337392938
Author: Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg
Publisher: Cengage Learning
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Textbook Question
Chapter 47, Problem 7TYU
Lipids are transported from the intestine to the liver by (a) chylomicrons (b) HDLs (c) LDLs (d) glycerol transporters (e) leptin
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Which lipoprotein is INCORRECTLY matched with its function in lipid metabolism?
(A) chylomicron – transports dietary lipids from the small intestine to peripheral cells (B) VLDL – transports excess fat and cholesterol back to the liver(C) IDL – produced when lipid is removed from VLDL particles circulating in the blood (D) LDL – delivers cholesterol to peripheral tissues
(E) HDL – picks up excess cholesterol from peripheral tissues
Fat digestion yields fatty acids and glycerol.Protein digestion yields amino acids. Bothdigestive processes(A) occur inside cells in most animals.(B) add a water molecule to break bonds.(C) require a low pH resulting from HClproduction.(D) consume ATP
When fatty acids and glycerol have been taken up by epithelial cells in the small intestine, they will reunite and form ...
a) ... lipoproteins.
b) ... cooling microns.
c) ... fat drops.
d) ... miceller.
Chapter 47 Solutions
Biology (MindTap Course List)
Ch. 47.1 - Prob. 1LOCh. 47.1 - Prob. 1CCh. 47.1 - Prob. 2CCh. 47.1 - Prob. 3CCh. 47.2 - Prob. 2LOCh. 47.2 - Prob. 3LOCh. 47.2 - Describe the structural adaptations that increase...Ch. 47.2 - Prob. 5LOCh. 47.2 - Imagine that you have just taken a bite of a...Ch. 47.2 - How are villi in the small intestine functionally...
Ch. 47.2 - What are the functions of each of the following:...Ch. 47.2 - Prob. 4CCh. 47.3 - Prob. 6LOCh. 47.3 - Prob. 7LOCh. 47.3 - Prob. 1CCh. 47.3 - Prob. 2CCh. 47.3 - Prob. 3CCh. 47.4 - Contrast basal metabolic rate with total metabolic...Ch. 47.4 - Prob. 9LOCh. 47.4 - Prob. 10LOCh. 47.4 - Prob. 1CCh. 47.4 - Prob. 2CCh. 47.4 - How do melanocortins, neuropeptides Y (NPY),...Ch. 47 - Test Your Understanding 1 Teeth adapted for...Ch. 47 - Prob. 2TYUCh. 47 - Prob. 3TYUCh. 47 - Test Your Understanding 4 Arrange the following...Ch. 47 - Test Your Understanding 5 Which sequence most...Ch. 47 - Prob. 6TYUCh. 47 - Lipids are transported from the intestine to the...Ch. 47 - Test Your Understanding 8 Most vitamins are (a)...Ch. 47 - Prob. 9TYUCh. 47 - Prob. 10TYUCh. 47 - Prob. 11TYUCh. 47 - Prob. 12TYUCh. 47 - Prob. 13TYUCh. 47 - Prob. 14TYUCh. 47 - Prob. 15TYU
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- (a) What is the difference between low-density lipoproteins (LDLs) and high-density lipoproteins (HDLs)? (b) Why are LDLs called "bad" cholesterol? (c) Why are HDLs called "good" cholesterol?arrow_forward1) The major function of high density lipoprotein (HDL) is to, choose all correct answers. (A) bind high density lipoprotein (HDL). (B) transport cholesterol to peripheral tissues. (C) serve as a precursor for cholesterol biosynthesis. (D) transport cholesterol from peripheral tissues to liver. (E) serve as a site for the esterification of cholesterol. 2). Individual with the genetic disease of Familial hypercholesterolemia have higher levels of cholesterol in the blood, which of the following could cause this disease: (A) deregulated biosynthesis of low-density lipoprotein (LDL) receptors (B) high dietary cholesterol (C) plaque formation in the arteries. (D) high cholesterol biosynthesis in liver tissue. (E) deregulated biosynthesis of low-density lipoprotein (LDL) 3) The enzyme inorganic pyrophosphatase utilizes ____ as its substrate. A). ATP B). ADP C). AMP D). PPi E). phosphatearrow_forwardLipase acts on(a) Amino acids (b) Fats(c) Carbohydrates (d) All of thesearrow_forward
- What happens to the products of the digestion of lipids? They are absorbed into a: O a) capillary and transported by the blood to the liver b) capillary and transported by the blood to the heart O c) lacteal and transported by the lymph to the thoracic duct O d) lacteal and transported by the blood to the liver via the hepatic portal systemarrow_forwardWhat molecules do the following digestive enzymes help to break down? (a) amylase, (b) invertase, (c) endopeptidasearrow_forwardTrace the path of a single protein molecule that has been ingested: The products of protein digestion enter the bloodstream largely through cells lining (a) the stomach, (b) the small intestine, (c) the large intestine, (d) the bile duct.arrow_forward
- Which of these statements best describes bile salts? a)Acts as hormone in the liver and small intestine b)Synthesized in the liver, stored in the gall bladder, active in the small intestine c)Synthesized in the gall bladder, stored in the liver, active in the small intestine d)Increases the rigidity of cell membranesarrow_forwardIn humans, a dietary essential fatty acid is (A) Palmitic acid (B) Stearic acid (C) Oleic acid (D) Linoleic acidarrow_forwardMatch the enzyme(s) with its (their) function(s). (1) peptidase (2) amylase (3) nuclease (4) lipase (5) pepsin (6) trypsin, chymotrypsin, carboxypeptidase (7) sucrase, maltase, lactase A. begins protein digestion B. breaks fats into fatty acids and glycerol C. breaks down proteins into peptides D. breaks down starch into disaccharides E. breaks down peptides into amino acids F. breaks down nucleic acids into nucleotides G. breaks down disaccharides into monosaccharidesarrow_forward
- Olestra, a synthetic fat substitute, consists of a six-carbon backbone with six fatty acids attached to it. Olestra is neither digested nor absorbed. (a) Explain why olestra would not be absorbed. (b) What effect could consumption olestra have on the absorption of fat-soluble vitamins?arrow_forwardThe lipoproteins that transport excess cholesterol from peripheral tissues back to the liver for storage or excretion in the bile are the: (a) chylomicrons. (b) FFA. (c) LDLs. (d) HDLs.arrow_forwardThe most common form of malnutrition in children in the world, kwashiorkor, is caused by a diet having ample calories but little protein. The high levels of carbohydrate result in high levels of insulin. What is the effect of high levels of insulin on (a) lipid utilization? (b) protein metabolism? (c) Children suffering from kwashiorkor often have large distended bellies caused by water from the blood leaking into extracellular spaces. Suggest a biochemical basis for this condition.arrow_forward
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