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cotton. Which aspect of the structure of cellulose accounts for its strength? Cellulose is an abundant structural polysaccharide found in plant cell walls, wood, and

cotton. Which aspect of the structure of cellulose accounts for its strength? Cellulose is an abundant structural polysaccharide found in plant cell walls, wood, and

Biochemistry
Biochemistry
9th Edition
ISBN:9781319114671
Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Chapter1: Biochemistry: An Evolving Science
Section: Chapter Questions
Problem 1P
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**Understanding the Structure of Cellulose and Chitin** *Cellulose* is an abundant structural polysaccharide found in plant cell walls, wood, and cotton. Which aspect of the structure of cellulose accounts for its strength? - **a)** repeating unit of N-acetylglucosamine - **b)** α(1→4) linkages between glucose units - **c)** branches that occur every 12-30 residues - **d)** interchain hydrogen bonding between extended molecular chains - **e)** forms a helical conformation in water --- *Which of the following is not correct about chitin?* - **a)** fundamental constituent of the exoskeletons of crustaceans, insects, and spiders - **b)** similar to cellulose but with repeating units of N-acetyl-D-glucosamine - **c)** chitin chains form extended ribbons that pack side-by-side - **d)** found mainly in the liver in humans, making up as much as 10% of liver mass - **e)** stacked sheets of chitin strands are stabilized by intrastrand, interstrand, and intersheet hydrogen bonds
Transcribed Image Text:**Understanding the Structure of Cellulose and Chitin** *Cellulose* is an abundant structural polysaccharide found in plant cell walls, wood, and cotton. Which aspect of the structure of cellulose accounts for its strength? - **a)** repeating unit of N-acetylglucosamine - **b)** α(1→4) linkages between glucose units - **c)** branches that occur every 12-30 residues - **d)** interchain hydrogen bonding between extended molecular chains - **e)** forms a helical conformation in water --- *Which of the following is not correct about chitin?* - **a)** fundamental constituent of the exoskeletons of crustaceans, insects, and spiders - **b)** similar to cellulose but with repeating units of N-acetyl-D-glucosamine - **c)** chitin chains form extended ribbons that pack side-by-side - **d)** found mainly in the liver in humans, making up as much as 10% of liver mass - **e)** stacked sheets of chitin strands are stabilized by intrastrand, interstrand, and intersheet hydrogen bonds
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