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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- Which of the following statements about amino acids is true? A. Twenty two amino acids are commonly found in proteins. B. Amino acids are often linked together to form branched polymers. C. All amino acids contain an NH2 and a COOH group. D. Most of the amino acids used in protein biosynthesis have charged side chains.arrow_forwardWhich of the following pairs of molecules form the pyrimidine ring?a. Glutamate and carbamoyl phosphateb. Aspartate and glutaminec. Aspartate and carbamoyl phosphated. Glycine and carbamoyl phosphatearrow_forwardWhich of the following statements about monosaccharides is true? A. Monosaccharides are classified according to the location of their carbonyl group. B. The penultimate chiral center of a monosaccharide determines its handedness. C. If the carbonyl group of a monosaccharide is terminal then it will react positively with Barfoed's and Seliwanoff's tests. D. The cyclization of monosaccharides results to the formation of a cyclic ether. E. The existence of anomers is due to the mutarotation along the reference carbonarrow_forward
- 1. a. Draw D-glucose and D-fructose as a linear sugar chain. b. Label the carbons with their appropriate number. c. Label the carbonyl group. d. How do you know these are the D stereoisomers? e. Are these ketoses or aldoses? f. How many chiral centers does each molecule have? g. How many possible stereoisomers could D-glucose have, including itself? h. Where are they? i. Upon cyclization would these molecules by pyranoses or furanoses? 2. Convert this Fischer projection to a Haworth perspective of the cyclic molecule with an alpha configuration at the linkage. What is this molecule? HO H HO H H OH H- OH CH₂OH 3. Compare and contrast the structural characteristics of starch vs. glycogen. What is the functional role of branching in these polysaccharides?arrow_forwardIn the digestion of Carbohydrates, the more complex carbohydrate molecules are broken down into smaller molecules such as the Monosaccharides. This breakdown of complex carbohydrate into simple sugars is an example of: a. Catabollism b. Anabolismarrow_forwardGalactose is a pentose sugar. Select one: a. False b. Truearrow_forward
- Which of the following sugars do not have asymmetric centers? A. Fructose B. Glyceraldehyde C. Sedoheptulose D. Dihydroxyacetone E. Glucuronic acidarrow_forwardTwo amino acids of the standard 20 contain sulfur atoms. They are: a. cysteine and serine. b. cysteine and threonine. c. methionine and cysteine d. methionine and serine e. threonine and serine.arrow_forwardEach monomer in cellulose is a molecule of... Group of answer choices A. glucose B. ribose C. fructose D. galactose E. glyceraldehydearrow_forward
- Describe the structural similarities and differences of the following pairs. Identify which of these is a structural isomer, and how to identify structural isomers. a. Glucose and Mannose b. Galactose and Fructose c. Ribulose and Xylulose d. ribose and glucosearrow_forwardIndicate whether each of the following statements about the structural characteristics of monosaccharides is true or false. a. Both an aldehyde group and a ketone group are always present. b. An aldehyde group and at least two hydroxyl groups must be present.arrow_forwardIndicate whether each of the following statements about the structural characteristics of monosaccharides is true or false. a. An aldehyde group or a ketone group, but not both, is always present. b. A hydroxyl group must be present on each carbon atom.arrow_forward
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