Biology 2010 Student Edition

Published by Prentice Hall
ISBN 10: 9780133669510
ISBN 13: 978-0-13366-951-0

Chapter 30, Digestive and Excretory Systems - Assessment - 30.3 The Digestive System - Understand Key Concepts - Page 890: 15

Answer

c.

Work Step by Step

Option a. is incorrect. Pepsin is an enzyme that breaks down proteins. Option b. is incorrect. Bile is a substance that breaks down fats. Option d. is incorrect. Chyme is an oatmeal-like mixture resulting from the churning and mixing of food chunks in the stomach. Option c. is correct. Amylase is an enzyme in the saliva that begins the breakdown of carbohydrates such as starch.
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