What Is Life? A Guide to Biology with Physiology
4th Edition
ISBN: 9781319065447
Author: Jay Phelan
Publisher: W. H. Freeman
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Chapter 3, Problem 4MC
Summary Introduction
Introduction:
Fiber consists of the indigestible components of food that offer non-nutritional benefits to the
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- Which of the following best describe the function of goblet cells in the digestive tract? A. produce mucus that protects parts of the digestive organs from the effects of powerful enzymes needed for food digestion B. secrete buffers in order to keep the pH of the digestive tract close to neutral C. provide protection against invading bacteria and other disease-causing organisms that enter the digestive tract in food D. absorb nutrients from digested food and store them for future usearrow_forwardWhat are the function of lipoproteins? Select one: a. They help transport fatty acids in aqueous blood plasma b. They are considered a type of "bad" cholesterol c. They assist the rumen microflora to ferment fatty acids d. They help to emulsify fat in the small intestinearrow_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_forward
- Which 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_forwardSoluble fiber attracts lots of water, swells, and becomes viscous. This characteristic allows it to _? A. Reduce sugar rush B. Lower blood cholesterol C. Promote bowel movement D. Be easily digestedarrow_forwardWhich of the following is/are (a) product(s) of the digestion of starch after the release of the pancreatic enzymes into the small intestine? A. lactose B. maltotriose C. α-dextrin D. limit dextrinarrow_forward
- Which of the following is True?a. The human stomach maintains a very high pH.b. Gastric glands in the stomach wall secrete pepsinogen. c. Bile is released into the stomach from the liver.d. Many different nutrients are absorbed through the stomach.arrow_forwardWhich statement is TRUE regarding dietary fiber? High amounts are found in processed foods like white flour Insoluble fiber is fermented by bacteria in the large intestine There are two forms: trace and major The amount of fiber in human diet is lower today than it was in past human diets none are truearrow_forwardWhich of the following is not a function of fat in food? a. increases appetite b. provides little energy c. provides satiety d. provides a pleasing texturearrow_forward
- An inactive form of a digestive enzyme is called a: a) precursor b) zymogen c) proteozyme d) secretin Which of these enzymes is found in saliva: a) pepsin b) trypsin c) chymotrypsin d) alpha-amylase Which of these enzymes is found in the stomach? : a) pepsin b) trypsin c) chymotrypsin d) alpha-amylase Lipases perform which function? A) add fatty acids to glycerol to make triglyceride b) hydrolytically degrade triglycerides to fatty acids and glycerol c) add fatty acids to proteins to make lipoproteins d) add fatty acids to carbohydrates to make glycolipids Omeprazole is a suicide inhibitor of: a) alpha amylase b) pepsin c) trypsin d) the potassium-hydrogen pumparrow_forwardWhich of the following statements about nutrients is true? a. All classes of nutrients are essential to human survival. b. Because the body cannot store any micronutrients, they need to be consumed nearly every day. c. Carbohydrates, lipids, and proteins are micronutrients. d. Macronutrients are vitamins and minerals.arrow_forwardWhy would you want to vary the types of fiber in your diet?arrow_forward
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