EBK BIOLOGY
4th Edition
ISBN: 8220102797376
Author: BROOKER
Publisher: YUZU
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Textbook Question
Chapter 45, Problem 4TY
Which of the following statements is true?
- a. Intracellular digestion commonly occurs in vertebrates.
- b. Absorption of nutrients always requires active transport.
- c. Alimentary canals have two openings, whereas gastrovascular cavities have only one.
- d. Extracellular, but not intracellular, digestion requires hydrolytic enzymes.
- e. Most minerals are absorbed by simple diffusion.
Expert Solution & Answer
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Check out a sample textbook solutionStudents have asked these similar questions
Which of the following statements regarding protein digestion is incorrect?
A.
The intestinal enzymes trypsin and chymotrypsin continue the chemical breakdown of polypeptides into oligopeptides.
B.
Chemical digestion of proteins is initiated in the stomach through the action of the enzyme pepsin.
C.
Mechanical digestion of proteins starts in the mouth through chewing.
D.
Di- and tripeptides enter the intestinal cells where they are broken down by peptidases into individual amino acids.
Which 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.
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.
Chapter 45 Solutions
EBK BIOLOGY
Ch. 45.3 - Smooth, polished stones have been found in the...Ch. 45.3 - Prob. 2CCCh. 45.4 - Prob. 1CCCh. 45.4 - Prob. 1BCCh. 45.5 - Prob. 1BCCh. 45.6 - Prob. 1EQCh. 45.6 - CoreSKILL Did the results support the hypothesis?...Ch. 45.6 - Prob. 3EQCh. 45 - Prob. 1TYCh. 45 - Prob. 2TY
Ch. 45 - Prob. 3TYCh. 45 - Which of the following statements is true? a....Ch. 45 - Prob. 5TYCh. 45 - Which of the following statements regarding the...Ch. 45 - Prob. 7TYCh. 45 - In birds, the secretion of acid and pepsinogen...Ch. 45 - In many vertebrates, bile is produced by the...Ch. 45 - Prob. 10TYCh. 45 - Prob. 1CQCh. 45 - Prob. 2CQCh. 45 - Core Concept: Structure and Function Describe the...Ch. 45 - Prob. 1COQCh. 45 - Define nutrient. On the basis of that definition,...
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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
- The purpose of Microvilli in the human digestive tract is to: a. kill detrimental bacteria in the esophagus b. emulsify fats c. secrete pepsinogen in the stomach d. absorb nutrients from the small intestine into the bloodstream e. secrete trypsinogen and chymotrypsin into the duodenumarrow_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_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_forward
- It 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_forwardThe small intestine is specialized for absorption because it a. is the last section of the digestive tract and retains food the longest. b. has saclike extensions along its length that collect food. c. has no outlet so food remains within it for longer periods of time. d. has an extremely large surface area that allows extended exposure to food.arrow_forwardA. 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_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 is true? a. The internal anal sphincter is made out of skeletal muscle. b. The defecation reflex can be affected by input from the cerebral cortex. c. Defecation is a complex function that requires coordinated involvement from the gastrointestinal and respiratory system. d. Abdominal muscle contraction decreases intra-abdominal pressure and expel feces more rapidly. e. All of the choices.arrow_forwardOne-way passage of food through the digestive system of many animal groups allowsa. intracellular digestion.b. specialization of different regions of the digestive system.c. release of digestive enzymes into the gut.d. extracellular digestion.arrow_forward
- Which of the following is FALSE? A. Bile is a fat molecule-busting enzyme B. Vitamins are organic compounds. C. Most plants have a different composition of amino acids compared to animals. D. Water reabsorption is one of the main functions of the large intestines.arrow_forwardWhich of the following statements is untrue? a. Roughage takes a long time to digest. b. Birds eat large quantities at one time so that they can fly long distances. c. Cows do not have upper teeth. d. In pseudo-ruminants, roughage is digested in the cecum.arrow_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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Human digestive system - How it works! (Animation); Author: Thomas Schwenke;https://www.youtube.com/watch?v=X3TAROotFfM;License: Standard Youtube License