EBK WHAT IS LIFE? A GUIDE TO BIOLOGY WI
4th Edition
ISBN: 8220106821152
Author: PHELAN
Publisher: YUZU
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Chapter 3, Problem 3MC
Summary Introduction
Introduction:
Starch is a polysaccharide, meaning it contains a large number of monosaccharide units.
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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.
A. Heteroglycans are polysaccharides with only one type of monosaccharide unit. Heparin is a heteroglycan. *
B. First statement is true while second statement is false.
C. First statement is false while second statement is true.
D. Both statements are true.
E. Both statements are false.
Starch consists ofSelect one:
a.Unbranched amylose and unbranched amylopectin
b.Branched amylose and branched amylopectin
c.Branched amylose and unbranched amylopectin
d.Unbranched amylose and branched amylopectin
Chapter 3 Solutions
EBK WHAT IS LIFE? A GUIDE TO BIOLOGY WI
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Which of the statements are true? a. Triacylglycerols (triglycerides) contain ester bonds. b. Unsaturated fats have higher melting points than saturated fats. c. Unsaturated fats are more likely than saturated fats to be liquid at room temperature. d. Triacylglycerols (triglycerides) always contain three identical fatty acids. e. Fats that contain more saturated fatty acid residues than unsaturated fatty acid residues are more likely to be solid at room temperature.arrow_forwardWhich of the following describes lactose? A. A nonreducing disaccharide containing glucose and fructose linked by a (α1-->4) bond. B. A reducing disaccharide containing two glucose molecules linked by a (α1-->4) bond. C. A reducing disaccharide containing two glucose molecules linked by a (β1-->4) bond. D. A reducing disaccharide containing galactose and glucose linked by a (β1-->4) bond. E. A nonreducing disaccharide containing galactose and glucose linked by a (α1-->4) bond.arrow_forwardMark the following statements as true or false. If a statement is false, correct it to make a true statement. a. Carbohydrates are the main source of fuel for the human body. b. The main storage form of glucose in the human body is starch. c. Lipids contain oxygen and are therefore polar covalent molecules. d. Steroids, phospholipids, and triglycerides are all types of lipids. e. Proteins are composed of strings of fatty acids linked by glycosidic bonds. f. Amino acids have a carboxylic group on one end and an amino group on their other end.arrow_forward
- 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.arrow_forwardWhich one of the following statements about lipids is correct?a. Saturated fats contain many double bonds.b. Unsaturated fats do not have double bonds.c. Fatty acids contain 9 kilocalories per gram.d. Steroids consist of chain structure molecules.arrow_forwarda polysaccharide that is formed in plants to store glucose is a. starch b. glycogen c. lipid d. sucrose e. fructosearrow_forward
- Which of the following statements concerning palmitic acid is INCORRECT? a. It can barely be dissolved in water. b. It is an unsaturated fatty acid. c. It is consisted of 16 carbons. d. It is a lipid.arrow_forwardMeringue in “Lemon Meringue Pie” can be made from egg whites but not whole eggs, because whole eggs: a. contain the food-borne pathogen Salmonella enterica b. contain the emulsifying agent lecithin c. contain more than 50 proteins that can be denatured by the low pH of lemon juice d. contain the amino acid tryptophan whereas egg whites do not e. have a pH of 9.0arrow_forwardWhich of the following statements concerning fatty acids is correct? a. Used to make phospholipids b. They all contain one or more double bonds. c. They are a constituent of sterols. d. They are strongly hydrophilic.arrow_forward
- 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.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 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_forward
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