Biology: The Dynamic Science (MindTap Course List)
4th Edition
ISBN: 9781305389892
Author: Peter J. Russell, Paul E. Hertz, Beverly McMillan
Publisher: Cengage Learning
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Textbook Question
Chapter 3, Problem 4TYK
Maltose, sucrose, and lactose differ from one another:
a. because not all contain glucose.
b. because not all of them exist in ring form.
c. in the number of carbons in the sugar.
d. in the number of hexose monomers involved.
e. by the linkage of the monomers.
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Chapter 3 Solutions
Biology: The Dynamic Science (MindTap Course List)
Ch. 3.1 - What is the difference between hydrocarbons and...Ch. 3.1 - What is the maximum number of bonds that a carbon...Ch. 3.1 - Do carboxyl groups, amino groups, and phosphate...Ch. 3.1 - What is the difference between a dehydration...Ch. 3.2 - What is the difference between a monosaccharide, a...Ch. 3.3 - What are the three most common lipids in living...Ch. 3.4 - Prob. 1SBCh. 3.4 - What is a peptide bond, and what type of reaction...Ch. 3.4 - Prob. 3SBCh. 3.5 - What is the monomer of a nucleic acid...
Ch. 3.5 - What are the chemical differences between DNA and...Ch. 3 - Which functional group has a double bond and forms...Ch. 3 - Which of the following characteristics is not...Ch. 3 - Cellulose is to carbohydrate as: a. amino acid is...Ch. 3 - Maltose, sucrose, and lactose differ from one...Ch. 3 - Lipids that are liquid at room temperature: a. are...Ch. 3 - Which of the following statements about steroids...Ch. 3 - The term secondary structure refers to a proteins:...Ch. 3 - The first and major effect in denaturation of...Ch. 3 - In living systems: a. proteins rarely combine with...Ch. 3 - RNA differs from DNA because: a. RNA may contain...Ch. 3 - Discuss Concepts Identify the following structures...Ch. 3 - Discuss Concepts Lipoproteins are relatively...Ch. 3 - Prob. 13TYKCh. 3 - Prob. 14TYKCh. 3 - Prob. 15TYKCh. 3 - Prob. 1ITDCh. 3 - Prob. 2ITDCh. 3 - Prob. 3ITD
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Draw the structure of lactose and name its constituent monosaccharides. What enzyme is responsible for the degradation of lactose into its component parts?
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Which of the following statements is true regarding cellulose?
Select one:
A. It is a primary structural component of plant cell walls.
B. It is digestible by bacteria in the human gut.
C. It is a polymer of glucose joined by α glycosidic linkages.
D. It is a polymer composed of enantiomers of glucose.
E. It is a storage polysaccharide for energy in plant cells.
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Which of the following statements best describes glucose?
a. It is an aldohexose.
b. It is produced from dietary starch by the action of α-amylase.
c. It is utilized in biological systems only in the L-isomeric form.
d. It is a disaccharide.
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describe how monosaccharides like glucose and fructose assume or transform into its corresponding Haworth structure.
(in words)
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Glucose, fructose, and galactose share the same molecular formula, but the arrangement of their atoms differ in space. What term describes the statement?
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The functionality of carbohydrates is increased through
a. formation of sugar acids
b. formation of amino sugars
c. formation of glycoconjugates
d. formation of ester phosphates
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Suppose that after you mixed 10 mL of milk with 1 mL of lactase solution and waited three
minutes, you found that your mixture of milk and lactase contained glucose. What are two possible interpretations of this result? (Hint: Think about the possibility that, before digestion, milk
contains either a disaccharide or a monosaccharide.)
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Which of the following statements concerning glycolipids is true? a. All glycolipids contain sphingosine. b. All glycolipids contain one sugar residue. c. All glycolipids contain phosphatidylglycerol. d. Some glycolipids contain ceramide, while others do not.
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Fructose and galactose are both isomers ofa. glycogen.b. glucose.
c. starch.
d. maltose.
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Which of the following is incorrect regarding nucleotides?a. They contain a sugar, a nitrogen-containing base, and aphosphate group.b. They are the monomers of fats and polysaccharides.c. They join together by alternating covalent bonds between thesugars and phosphate groups.d. They are present in both DNA and RNA
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Polyunsaturated fatty acids
a). are solid at room temperature
b). have carbon-carbon double bonds
c). are polar
d). have high melting points
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Which of these is an ketohexose? a) fructose b) glucose c) ribose d) erythrose
Which of these is a constitutional isomer of d-glucose? a) fructose b) galactose c) l-glucose d) ribose
Which of these is an enantiomer of d-glucose? a) d-fructose b) d- galactose c) l-glucose d) d-ribose
Which of these is a diastereomer of d-glucose? a) d- fructose b) d-galactose c) l-glucose d) d-ribose
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