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 23, Problem 3MC
Summary Introduction
Introduction:
Fibers are complex sugars.
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out of proteins, lipids and carbohydrates present in a cell membrane, what is true?
A.
Lipids are maximum
B.
Carbohydrates are minimum
C.
Carbohydrates are maximum
D.
All three are in equal proportion
Which of the following statements is false? a. Fiber is a polysaccharide that is completely or partially indigestible by the human body. b. A complete protein contains all of the essential amino acids. c. Saturated fats contain hydrogen atoms arranged on opposite sides of the carbon-carbon double bond. d. Linoleic and linolenic acid are essential fatty acid
Which of the following polysaccharides is a component of the extracellular matrix and connective tissue?
a. glycogen
b. hyaluronic acid
c. chitin
d. cellulose
Chapter 23 Solutions
What Is Life? A Guide to Biology with Physiology
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- Distinguish between fibrous and globular proteins.arrow_forwardIdentify which lipids are important components of the cellular membrane. SELECT ALL THAT APPLY A. Phospholipids B. Bile Salts C. Fatty Acids D. Cholesterolarrow_forwardWhich of the following protein is present in nails and hair or human beings?A. Collagen B. Keratin C. Elastin D. None of the abovearrow_forward
- Identify the function(s) of carbohydrates. *A. structural support B. energy storage C. informational molecules D. Components of Biological membranesarrow_forwardMatch the level of protein structure to its description: Primary Secondary Tertiary Quaternary A. Folding due to interactions among the peptide backbone B. Interactions among multiple polypeptide chains C. Sequence of amino acids D. Folding due to interactions among side chainsarrow_forwardIntegral proteins associate with the membrane through A. covalent attachment to lipids. B. covalent attachment to lipid anchors such as palmitoyl groups. C. hydrophobic interactions with lipids. D. interactions with carbohydrates attached to lipids.arrow_forward
- A friend, while frying some eggs, points to the change in the egg white (which contains a protein called albumin) and explains that if the conformation of a protein changes, it will no longer have the same properties and will lose its ability to function. Do you agree or disagree with this statement?arrow_forwardCompare collagen and myoglobin with regards to each of the following: (a) secondary structure; (b) water solubility; (c) function; (d) location in the body.arrow_forwardA patient is admitted into a hospital where he is tested for several proteins and a protein was found to be secreted through urine which in normal state should not be present in the urine. If this secretion of the protein continued, what do you think what will be the condition of the patient health status after a while? Explain with logic.arrow_forward
- Why are proteins especially important to children, pregnant women and people who are ill? What functions does protein perform in the body? Discuss why foods rich in complete protein are usually more expensive than foods containing incomplete proteins. Tell what amino acids are, and explain their importance. Which elements are proteins composed of? Explain/elaborate. Describe the process of digestion and absorption Explain why the body requirements fuel even during sleep. Describe metabolism. Why healthcare professional should practice the rules of good nutrition themselves From your personal experience, explain why certain foods are enjoyed more than other that are commonly available in the local area.arrow_forwardWhich of the following is NOT a major function of lipids? A. components of steroid hormones B. storage of genetic information C. components of cell membranes D. long-term energy storagearrow_forwardWhich of the following statements is/are TRUE for globular proteins? A. sensitive to changes in pH & heat B. regular amino acid sequence C. soluble in water D. structural rolearrow_forward
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