Biology: Life on Earth with Physiology (11th Edition)
Biology: Life on Earth with Physiology (11th Edition)
11th Edition
ISBN: 9780133923001
Author: Gerald Audesirk, Teresa Audesirk, Bruce E. Byers
Publisher: PEARSON
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Chapter 35, Problem 3FIB
Summary Introduction

Introduction:

Digestion is the breakdown of large insoluble food molecules into small water-soluble molecules so that it can be absorbed into the blood plasma, these smaller substances are absorbed through the small intestine into the bloodstream.

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Avi's salivary glands do not secrete amylase. As a result of his condition, his mouth cannot ________. Multiple Choice begin fat digestion lubricate dry foods absorb alcohol begin starch digestion
Which of the following statements is TRUE?     Hydrochloric acid makes an acidic environment in the stomach that promotes promotes polysaccharide digestion.     Lipase, produced by the pancreas, digests the emulsified fats into fatty acids.     Bile, synthesized by the liver and stored in the gall bladder, digests fats which will then be absorbed in the small intestine     The acidic environment converts the inactive pepsin into its active form: pepsinogen. Pepsinogen digests proteins in the stomach.
Which of the following is NOT a regulatory mechanism for digestion? 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.

Chapter 35 Solutions

Biology: Life on Earth with Physiology (11th Edition)

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