Campbell Biology in Focus (2nd Edition)
2nd Edition
ISBN: 9780321962751
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece
Publisher: PEARSON
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Chapter 33, Problem 4TYU
Summary Introduction
Introduction:
All living beings consume food for energy, which is used for their survival. Energy helps the living organisms to carry out all the life-supporting
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Chapter 33 Solutions
Campbell Biology in Focus (2nd Edition)
Ch. 33.1 - An animal requires 20 amino acids to make...Ch. 33.1 - Prob. 2CCCh. 33.1 - WHAT IF? if a zoo animal eating ample food shows...Ch. 33.2 - Prob. 1CCCh. 33.2 - In what sense are nutrients from a recently...Ch. 33.2 - Prob. 3CCCh. 33.3 - How does swallowed food reach the stomach of a...Ch. 33.3 - Explain why a proton pump inhibitor, such as the...Ch. 33.3 - Prob. 3CCCh. 33.4 - Prob. 1CC
Ch. 33.4 - Prob. 2CCCh. 33.4 - Prob. 3CCCh. 33.5 - Prob. 1CCCh. 33.5 - The energy required to maintain each gram of body...Ch. 33.5 - Prob. 3CCCh. 33 - The mammalian trachea and esophagus both connect...Ch. 33 - Which organ is incorrectly paired with its...Ch. 33 - Which of the following is not a major activity of...Ch. 33 - Prob. 4TYUCh. 33 - Prob. 5TYUCh. 33 - If you were to jog 1 km a few hours after lunch,...Ch. 33 - Prob. 7TYUCh. 33 - Prob. 8TYUCh. 33 - FOCUS ON EVOLUTION The human esophagus and trachea...Ch. 33 - Prob. 10TYUCh. 33 - Prob. 11TYU
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- Figure 16.7 Which of the following statements about the digestive system is false? a. Chyme is a mixture of food and digestive juices that is produced in the stomach. b. Food enters the large intestine before the small intestine. c. In the small intestine, chyme mixes with bile, which emulsifies fats. d. The stomach is separated from the small intestine by the pyloric sphincter.arrow_forwardBile has a role in _________ digestion and absorption. a. carbohydrate c. protein b. fat d. amino acidarrow_forwardExplain why protein should be included in the diet. What will happen to the human body if we are deficient in particular vitamins and trace elements? Give examples of effects of vitamin and mineral deficiencies. There are 20 amino acids needed to make proteins in the animal body. Why aren't they all considered essential to animal diets? Compare the incomplete and complete digestive systems. What are the functions of accessory organs in a complete digestive system? Explain how digestion is regulated in animals. What are the organ systems involved in regulation of digestion? Explain. What are the health problems associated with nutrition and digestive system? Give atleast 3 examples with explanationarrow_forward
- What do the enzymes pepsin, chymotrypsin, trypsin, and carboxypeptidase have in common?a. They are secreted and active within the stomach.b. They are pancreatic enzymes.c. They are secreted and active within the small intestine.d. They are enzymes that participate in protein digestionarrow_forwardSome animals, such as rabbits, whose digestive systems include hindgut fermentation, re-ingest the products of digestion. What function do you think this serves?arrow_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_forward
- What would be the consequence of eliminating the function of parietal cells in the walls of the stomach? Select one: a. Protein digestion in the small intestine would be eliminated b. Pepsinogen secretion would be eliminated c. It would decrease bile production d. It would eliminate fat digestion in the stomach e. Protein digestion in the stomach would be preventedarrow_forwardFigure 16.7 Which of the following statements about the digestive system is false?a. Chyme is a mixture of food and digestive juices that is produced in the stomach.b. Food enters the large intestine before the small intestine.c. In the small intestine, chyme mixes with bile, which emulsifies fats.d. The stomach is separated from the small intestine by the pyloric sphincter.arrow_forwardDraw a clearly labeled diagram of the human digestive system .arrow_forward
- What part(s) of the digestive system are responsible for digesting all three types of foodstuffs (Carbohydrates, proteins, and fats)? Select one: a. Large intestine b. Small intestine c. Mouth d. Stomach and small intestine e. Stomacharrow_forwardWhich 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 gastrovascularcavities have only one.d. Extracellular, but not intracellular, digestion requires hydrolyticenzymes.e. Most minerals are absorbed by simple diffusion.arrow_forwardDigestion is the first stage in the extraction of energy from food, but no useful energy is acquired during this stage. Why is digestion considered a stage in energy extraction?arrow_forward
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