BIOLOGY
12th Edition
ISBN: 9781260169614
Author: Raven
Publisher: RENT MCG
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Textbook Question
Chapter 46, Problem 3U
After being absorbed through the intestinal mucosa, glucose and amino acids are
a. absorbed directly into the systemic circulation.
b. used to build glycogen and peptides before being released to the body cells.
c. transported directly to the liver by the hepatic portal vein.
d. further digested by bile before release into the circulation.
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Students have asked these similar questions
Which of the following is an unregulated process in the digestive tract?
a. secretion of cholecystokinin (CCK) by the duodenal mucosa
b. absorption of amino acids across the epithelium of the small intestine
c. release of bicarbonate ion (HCO3–) by pancreatic duct cells
d. peristalsis in the stomach
Which of the following is true about segmentation in the small intestine?a. It is a type of peristalsis.b. It moves chyme only from the duodenum to the ileum.c. Its frequency is the same in each intestinal segment.d. It is unaffected by cephalic phase stimuli.e. It produces a slow migration of chyme to the large intestine.
Which of the following function below is not performed by the liver?
a. deamination of amino acids to form keto acids
b. production of glucagon
c. conversion of non-carbohydrate molecules to glucose
d. synthesis of lipoproteins to transport fatty acids
Chapter 46 Solutions
BIOLOGY
Ch. 46.1 - Prob. 1LOCh. 46.1 - Prob. 2LOCh. 46.1 - Prob. 3LOCh. 46.2 - Prob. 1LOCh. 46.2 - Prob. 2LOCh. 46.3 - Prob. 1LOCh. 46.3 - Prob. 2LOCh. 46.4 - Prob. 1LOCh. 46.4 - Explain how absorbed nutrients move into the blood...Ch. 46.5 - Prob. 1LO
Ch. 46.5 - Prob. 2LOCh. 46.5 - Prob. 3LOCh. 46.6 - Prob. 1LOCh. 46.6 - Prob. 2LOCh. 46.7 - Prob. 1LOCh. 46.7 - Prob. 2LOCh. 46.7 - Prob. 3LOCh. 46.8 - Prob. 1LOCh. 46.8 - Describe how rumination works.Ch. 46.8 - Prob. 3LOCh. 46 - Prob. 1DACh. 46 - If you constructed a phylogeny using molecular...Ch. 46 - Prob. 1IQCh. 46 - Prob. 2IQCh. 46 - Prob. 3IQCh. 46 - Prob. 4IQCh. 46 - How is the digestion of fats different from that...Ch. 46 - Although the stomach is normally thought of as the...Ch. 46 - After being absorbed through the intestinal...Ch. 46 - Which of these pairings is incorrect? a. Fat...Ch. 46 - Intestinal microorganisms aid digestion and...Ch. 46 - Prob. 6UCh. 46 - Which of the following represents the action of...Ch. 46 - Prob. 1ACh. 46 - The primary function of the large intestine is to...Ch. 46 - Inactive forms of some molecules are secreted a....Ch. 46 - Prob. 4ACh. 46 - Many birds possess crops, although few mammals do....Ch. 46 - Suppose that you wanted to develop a new treatment...Ch. 46 - How could a drop in plasma proteins and a decrease...Ch. 46 - Unlike many cases of convergence (see section...Ch. 46 - Prob. 5S
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- The bile from the liver is delivered to the _______. a. stomach b. liver c. small intestine d. colonarrow_forwardWhich of the following is true regarding digestion? A. The first segment of the alimentary tract is the duodenum. B. Amylase hydrolyzes starches into simple sugars. C. Bile hydrolyzes amylase into simple sugars. D. Trypsin and chymotrypsin degrade lipids into free fatty acids. E. All of the above answer choices correctly answer the question.arrow_forwardAll of the following statements regarding the liver are true except one, which one? a. it can convert amino acids to glucose during periods of fasting b. it contains special phagocytic cells which remove worn-out blood cells from the circulation c. blood from the hepatic artery and portal vein travels away from the central vein of each lobule d. it converts ammonia to ureaarrow_forward
- Which of the following nutrients are digested within the small intestine? a. proteins b. lipids c. carbohydrates d. all of these choicesarrow_forwardWhich of the following is incorrect regarding gastric juice?a. It is provided by the pancreas.b. It contains pepsin to digest protein.c. It has a pH of 2 due to hydrochloric acid.d. It is produced by the gastric glands.arrow_forwardWhich of the following statements about the pancreas is correct? Select one: A. Pancreatic duct cells are enzyme- producing cells. B. There are more exocrine cells than endocrine cells in the pancreas. C. Acinar cells are responsible for the production of bicarbonate ions. D. Pancreatic juice is produced by the islets of Langerhans. E. Trypsinogen in pancreatic juice can digest proteins into amino acids.arrow_forward
- Which of the following is not a function of the liver? a. activation of vitamin D b. storage of fat-soluble molecules c. removal and recycling of lactic acid d. recycling of red blood cellsarrow_forwardThere are two different kinds of secretions associated with the digestive system that needs to be understood to avoid confusion when describing how the digestive system functions. Which one of these secretions will be involved in the control of digestion through the blood? A.Endocrine B.Exocrinearrow_forwardWhich of the following is true about carbohydrate digestion? A. Cellulose and lignin found in plants are totally indigestible even with intestinal bacteria. B. The acidity of the stomach prevents chemical digestion of carbohydrates. C. Dextrin and maltose are the products of chemical digestion of starch by pancreatic amylase. D. Disaccharidases produced from the pancreas breaks down oligosaccharides in the intestines.arrow_forward
- Intestinal microorganisms aid digestion and absorption by a. digesting cellulose. b. producing glucose. c. synthesizing vitamin K. d. Both a and c are correct.arrow_forwardDigestive enzymes that chemically digest most of our ingested food are secreted by the a. liver. b. small intestine. c. pancreas. d. salivary glands.arrow_forwardIt is occasionally necessary for a person to have their gallbladder surgically removed. How will such a person's digestive process be altered? A. Pepsinogen would not be converted into pepsin before entering the lumen of the stomach. B. The person would be unable to digest fats. C. Mucus would not protect the stomach lining. D. Water would not be extracted from forming feces. E. Bile would go directly from the liver to the duodenum.arrow_forward
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