Biology
11th Edition
ISBN: 9781259188138
Author: Peter H Raven, George B Johnson Professor, Kenneth A. Mason Dr. Ph.D., Jonathan Losos Dr., Susan Singer
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 47, Problem 5U
Intestinal microorganisms aid digestion and absorption by
a. digesting cellulose.
b. producing glucose.
c. synthesizing vitamin K.
d. Both a and c are correct.
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Intestinal microorganisms aid digestion and absorption by
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Chapter 47 Solutions
Biology
Ch. 47 - How is the digestion of fats different from that...Ch. 47 - Although the stomach is normally thought of as the...Ch. 47 - After being absorbed through the intestinal...Ch. 47 - Which of these pairings is incorrect? a. Fat...Ch. 47 - Intestinal microorganisms aid digestion and...Ch. 47 - Prob. 6UCh. 47 - Which of the following represents the action of...Ch. 47 - Prob. 1ACh. 47 - The primary function of the large intestine is to...Ch. 47 - Inactive forms of some molecules are secreted a....
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- A. What is/are the primary role(s) of the large intestine? a. to complete enzymatic digestion and store indigestible material b. to initiate enzymatic digestion of carbohydrates and to store water c. to absorb water from digested material, with essentially no digestive role of its own d. to secrete water into the material that is left over after all available nutrients have been absorbed e. to digest fats A. In the intestine most nutrients are absorbed regardless of whether the body has an immediate need or shortfall of them; ie there is little control over amounts taken up – which of the following does not follow this rule? a. absorption of sodium b. absorption of water c.absorption of iron d. absorption of fat soluble vitamins e. none of the above follow this rule – close control is exerted over all of themarrow_forwardWhich 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.arrow_forwardAll of the following are functions of the liver except the a. release of insulin. b. formation of plasma proteins (e.g., albumin). c. formation of LDL particles. d. elimination of bilirubin.arrow_forward
- 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 stomacharrow_forwardWhich of the following enzymes that helps to break proteins is more likely active in the small intestine a. pepsin chemotrypsin b OC d b. trypsin d. carboxypeptidase C. e. (b, c, d)arrow_forwardChemical digestion does not involve… A. stomach acid B. peristalsis C. enzymes D. the salivary glands secreting salivaarrow_forward
- Which 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_forwardWhich of the following nutrients are digested within the small intestine? a. proteins b. lipids c. carbohydrates d. all of these choicesarrow_forwardThe most commonly occurring small intestinal obstruction is: a. volvulus. b. diverticulosis. c. adhesions. d. tumor.arrow_forward
- The function of bile salts is toa. act as detergents.b. calm digestion.c. stimulate the gallbladder.d. digest carbohydratesarrow_forwardWhich 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_forwardWhich of the following is true about pepsin? a. Most pepsin is released directly from chief cells.b. Pepsin is most active at high pH.c. Pepsin is essential for protein digestion.d. Pepsin accelerates protein digestion.e. Pepsin accelerates fat digestion.arrow_forward
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