CAMPBELL'S BIOLOGY 12E PERUSALL
12th Edition
ISBN: 9780135858080
Author: Urry
Publisher: PERUSALL
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Question
Chapter 41, Problem 3TYU
Summary Introduction
Introduction:
Vertebrates including humans have evolved a complex
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Where in the digestive system would you expect fats (e.g. lipids) to be digested?
stomach
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small intestine
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pancreas
Which of the following is NOT a regulatory mechanism for
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Only carbohydrates are digested in the oral cavity.
Hormones are secreted at various stages of digestion
pH of the digestive tract is altered by the release of
bicarbonates to the GI tract.
Enzyme activation is effected by autocatalysis of zymogens.
Cells and different organ systems are involved in the digestion
of foodstuffs.
Where does the partly-digested food (in liquid form) go after it leaves the stomach?
The gullet
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The small intestine
The large intestine
Chapter 41 Solutions
CAMPBELL'S BIOLOGY 12E PERUSALL
Ch. 41.1 - An animal requires 20 amino acids to make...Ch. 41.1 - Prob. 2CCCh. 41.1 - WHAT IF? If a zoo animal eating ample food shows...Ch. 41.2 - Prob. 1CCCh. 41.2 - In what sense are nutrients from a recently...Ch. 41.2 - Prob. 3CCCh. 41.3 - Explain why a proton pump inhibitor, such as the...Ch. 41.3 - Prob. 2CCCh. 41.3 - Prob. 3CCCh. 41.4 - Prob. 1CC
Ch. 41.4 - What features of a mammal's digestive system make...Ch. 41.4 - WHAT IF? "Lactose-intolerant" people have a...Ch. 41.5 - Explain how people can become obese even if their...Ch. 41.5 - WHAT IF? Suppose you were studying two groups of...Ch. 41.5 - Prob. 3CCCh. 41 - Prob. 41.1CRCh. 41 - Propose an artificial diet that would eliminate...Ch. 41 - Prob. 41.3CRCh. 41 - How does human anatomy indicate that our primate...Ch. 41 - Prob. 41.5CRCh. 41 - Fat digestion yields fatty acids and glycerol....Ch. 41 - The mammalian trachea and esophagus both connect...Ch. 41 - Prob. 3TYUCh. 41 - Prob. 4TYUCh. 41 - Prob. 5TYUCh. 41 - After surgical removal of the gallbladder, a...Ch. 41 - If you were to jog 1 km a few hours after lunch,...Ch. 41 - DRAW IT Create a flowchart to summarize the events...Ch. 41 - EVOLUTION CONNECTION Lizards and snakes cannot...Ch. 41 - SCIENTIFIC INQUIRY In human populations of...Ch. 41 - WRITE ABOUT A THEME: ORGANIZATION Hair is largely...Ch. 41 - SYNTHESIZE YOUR KNOWLEDGE Hummingbirds are well...
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- Figure 34.11 Which of the following statements about the digestive system is false? Chyme is a mixture of food and digestive juices that is produced in the stomach. Food enters the large intestine before the small intestine. In the small intestine, chyme mixes with bile, which emulsifies fats. The stomach is separated from the small intestine by the pylloric sphincter.arrow_forwardDigestion is completed and products are absorbed in the _________. a. mouth b. stomach c. small intestine d. large intestinearrow_forwardFigure 34.12 Which of the following statements about the small intestine is false? Absorptive cells that line the small intestine have microvilli, small projections that increase surface area and aid in the absorption of food. The inside of the small intestine has many folds, called villi. Microvilli are lined with blood vessels as well as lymphatic vessels. The inside of the small intestine is called the lumen.arrow_forward
- Where does the majority of fat digestion take place? a. mouth b. stomach c. small intestine d. large intestinearrow_forwardWhich of the following is not a form of intrinsic regulation of the digestive tract? Group of answer choices parasympathetic system paracrine agents such as histamine the hormone gastrin enteric nervous systemarrow_forwardWhich of the following enzymes is involved in protein digestion in the small intestine? O Pepsinogen O Trypsin O Cholecystokinin O Pepsinarrow_forward
- Which of the following components of digestion is responsible for the chemical breakdown of foods? Group of answer choices Chewing Enzymatic hydrolysis Dissolving Emulsificationarrow_forwardWhich of the following enzymes is activated in the stomach to promote digestion of dietary proteins into polypeptides? Pepsin, Lipase, Amylase, Trypsin?arrow_forwardWhich pair of digestive enzymes is secreted by pancreas? O lipase and lactase bile salts and trypsin O amylase and pepsin O lipase and amylasearrow_forward
- Where does final digestion of food and absorption of nutrients occur in the gastrointestinal tract? Descending colon of the large intestine lower stomach Duodenum of the small intestine Ascending colon of the large intestinearrow_forwardwhat type of movement causes mechanical breakdown in the small intestine? Segmentation, peristalsis, haustral contractionsarrow_forwardWhich of the following descriptions is incorrectly matched to the type of digestion occuring? Acidic pH of gastric juice helping break down proteins and activate enzymes - mechanical digestion Salivary amylase breaking down starch - chemical digestion Peristalsis of the small intestine mixing up chyme - mechanical digestion bile salts helping to emulsify fats and raise the pH - chemical digestion chewing and mixing of food in the mouth - mechanical digestionarrow_forward
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