Biology 2e
2nd Edition
ISBN: 9781947172517
Author: Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher: OpenStax
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Textbook Question
Chapter 34, Problem 14RQ
Where does the majority of protein digestion take place?
- stomach
- duodenum
- mouth
- jejunum
Expert Solution & Answer
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Students have asked these similar questions
Which 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 digestion
Site of
Digestion
Enzyme
Product of
Digestion
Ptyalin
Pancreatic
amylase
Pancreatic
maltase
Sucrase
Lactase
Pancreatin
Pepsin
Chymotrypsin
Dipeptidase
in which part of the small intestine does the majority of digestion and absorption occur?
Duodenum, jejunum, ileum
Chapter 34 Solutions
Biology 2e
Ch. 34 - Figure 34.11 Which of the following statements...Ch. 34 - Figure 34.12 Which of the following statements...Ch. 34 - Figure 34.19 Which of the following statements...Ch. 34 - Which of the following is a pseudo-ruminant? cow...Ch. 34 - Which of the following statements is untrue?...Ch. 34 - The acidic nature of chyme is neutralized by...Ch. 34 - The digestive juices from the liver are delivered...Ch. 34 - A scientist dissects a new species of animal. If...Ch. 34 - Which of the following statements is not true?...Ch. 34 - Which of the following is a water-soluble vitamin?...
Ch. 34 - What is the primary fuel for the body?...Ch. 34 - Excess glucose is stored as fat glucagon glycogen...Ch. 34 - Many distance runners “carb load” the day before a...Ch. 34 - Where does the majority of protein digestion take...Ch. 34 - Lipases are enzymes that breakdown disaccharides...Ch. 34 - Which of the following conditions is most likely...Ch. 34 - Which hormone controls the release of bile from...Ch. 34 - Which hormone stops acid secretion in the stomach?...Ch. 34 - In the famous conditioning experiment, Pavlov...Ch. 34 - How does the polygastric digestive system aid in...Ch. 34 - How do birds digest their food in the absence of...Ch. 34 - What is the role of the accessory organs in...Ch. 34 - Explain how the villi and microvilli aid in...Ch. 34 - Name two components of the digestive system that...Ch. 34 - What are essential nutrients?Ch. 34 - What is the role of minerals in maintaining good...Ch. 34 - Discuss why obesity is agrowing epidemic.Ch. 34 - There are several nations where mal nourishment is...Ch. 34 - Generally describe bow a piece of bread can power...Ch. 34 - In the 1990s fat-free foods became popular among...Ch. 34 - Explain why some dietary lipid is a necessary part...Ch. 34 - The gut microbiome (the bacterial colonies in the...Ch. 34 - Many mammals become ill if they drink milk as...Ch. 34 - Describe how hormones regulate digestionCh. 34 - Describe one or more scenarios where loss of...Ch. 34 - A scientist is studying a model that has a...
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Similar questions
- Digestion is completed and products are absorbed in the _________. a. mouth b. stomach c. small intestine d. large intestinearrow_forwardWhat are the main functions of the stomach? What roles do enzymes and hormones play?arrow_forwardFigure 34.19 Which of the following statements about digestive processes is true? Amylase, maltaseT and lactase in the mouth digest carbohydrates. Trypsin and lipase in the stomach digest protein. Bile emulsifies lipids in the small intestine. No food is absorbed until the small intestine.arrow_forward
- Figure 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_forwardWhere does the majority of chemical digestion in the stomach occur? fundus and body cardia and fundus body and pyloins bodyarrow_forwardFigure 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_forward
- List the organs and accessory organs of the digestive system. On a separate piece of paper, list the main functions of each organ.arrow_forwardDifferent regions of the digestive system specialize in ________ and _________ food and in __________ unabsorbed food residues.arrow_forwardDefine peristalsis, and list the regions of the GI tract where it occurs. Be sure to mention segmentation in your answer.arrow_forward
- Where does the majority of fat digestion take place? a. mouth b. stomach c. small intestine d. large intestinearrow_forwardUsing the black lines shown in Figure 11.27, name the types of nutrient molecules present at each site that are small enough to be absorbed across the small intestines lining. Figure 11.27 Fill in the blanks for substances that cross the lining of the small intestine.arrow_forwardMatch the digestive system parts and functions.arrow_forward
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