Concept explainers
(a)
Interpretation: The polysaccharides amylopectin, amylose, cellulose, chitin, glycogen, heparin and hyaluronic acid have to be matched with the given glycosidic linkage characterization.
Concept introduction: Glycosidic linkage is a type of covalent bond that joins one carbohydrate to another carbohydrate leading to the formation of disaccharide, oligosaccharides and polysaccharides.
(a)
Answer to Problem 18.163EP
In the polysaccharides amylose, cellulose, chitin and heparin, all the glycosidic linkages are same.
Explanation of Solution
Amylose is an unbranched polysaccharide of starch. The glycosidic linkage present in amylose is
Amylopectin is a branched polysaccharide of starch. The glycosidic linkages present in amylopectin are
Cellulose provides the structural component of plant cell walls. Theglycosidic linkage present incellulose is
Chitin is an unbranchedN-acetyl-d-glucosamine polysaccharide. The glycosidic linkage present in chitin is
Heparin is a type of acidic polysaccharide. It contains the repeating unit of disaccharides. The glycosidic linkage present in heparin is
Hyaluronic acid is a type acidic polysaccharide that is, it has disaccharide as the repeating unit. The glycosidic linkages present in hyaluronic acid are
Glycogen is a starch polysaccharide. It stores glucose in human body and animals. The glycosidic linkage present in glycogen are both
Hence, the polysaccharides amylose, chitin, cellulose and heparin have all the same glycosidic linkages.
(b)
Interpretation: The polysaccharides amylopectin, amylose, cellulose, chitin, glycogen, heparin and hyaluronic acid have to be matched with the given glycosidic linkage characterization.
Concept introduction: Glycosidic linkage is a type of covalent bond that joins one carbohydrate to another carbohydrate leading to the formation of disaccharide, oligosaccharides and polysaccharides.
(b)
Answer to Problem 18.163EP
In the polysaccharides amylopectin and glycogen, some but not all of the linkages are
Explanation of Solution
Amylose is an unbranched polysaccharide of starch. The glycosidic linkage present in amylose is
Amylopectin is a branched polysaccharide of starch. The glycosidic linkages present in amylopectin are
Cellulose provides the structural component of plant cell walls. The glycosidic linkage present in cellulose is
Chitin is an unbranchedN-acetyl-d-glucosamine polysaccharide. The glycosidic linkage present in chitin is
Heparin is a type of acidic polysaccharide. It contains the repeating unit of disaccharides. The glycosidic linkage present in heparin is
Hyaluronic acid is a type acidic polysaccharide that is, it has disaccharide as the repeating unit. The glycosidic linkages present in hyaluronic acid are
Glycogen is a starch polysaccharide. It stores glucose in human body and animals. The glycosidic linkage present in glycogen are both
Hence, the polysaccharides amylopectin and glycogen have some but not all the linkages as
(c)
Interpretation: The polysaccharides amylopectin, amylose, cellulose, chitin, glycogen, heparin and hyaluronic acid have to be matched with the given glycosidic linkage characterization.
Concept introduction: Glycosidic linkage is a type of covalent bond that joins one carbohydrate to another carbohydrate leading to the formation of disaccharide, oligosaccharides and polysaccharides.
(c)
Answer to Problem 18.163EP
In the polysaccharide hyaluronic acid, both
Explanation of Solution
Amylose is an unbranched polysaccharide of starch. The glycosidic linkage present in amylose is
Amylopectin is a branched polysaccharide of starch. The glycosidic linkages present in amylopectin are
Cellulose provides the structural component of plant cell walls. The glycosidic linkage present in cellulose is
Chitin is an unbranchedN-acetyl-d-glucosamine polysaccharide. The glycosidic linkage present in chitin is
Heparin is a type of acidic polysaccharide. It contains the repeating unit of disaccharides. The glycosidic linkage present in heparin is
Hyaluronic acid is a type acidic polysaccharide that is, it has disaccharide as the repeating unit. The glycosidic linkages present in hyaluronic acid are
Glycogen is a starch polysaccharide. It stores glucose in human body and animals. The glycosidic linkage present in glycogen are both
Hence, the polysaccharidehyaluronic acid have both
(d)
Interpretation: The polysaccharides amylopectin, amylose, cellulose, chitin, glycogen, heparin and hyaluronic acid have to be matched with the given glycosidic linkage characterization.
Concept introduction: Glycosidic linkage is a type of covalent bond that joins one carbohydrate to another carbohydrate leading to the formation of disaccharide, oligosaccharides and polysaccharides.
(d)
Answer to Problem 18.163EP
In the polysaccharides heparin and amylose, all the glycosidic linkages are
Explanation of Solution
Amylose is an unbranched polysaccharide of starch. The glycosidic linkage present in amylose is
Amylopectin is a branched polysaccharide of starch. The glycosidic linkages present in amylopectin are
Cellulose provides the structural component of plant cell walls. The glycosidic linkage present in cellulose is
Chitin is an unbranchedN-acetyl-d-glucosamine polysaccharide. The glycosidic linkage present in chitin is
Heparin is a type of acidic polysaccharide. It contains the repeating unit of disaccharides. The glycosidic linkage present in heparin is
Hyaluronic acid is a type acidic polysaccharide that is, it has disaccharide as the repeating unit. The glycosidic linkages present in hyaluronic acid are
Glycogen is a starch polysaccharide. It stores glucose in human body and animals. The glycosidic linkage present in glycogen are both
Hence, the polysaccharides amylose and heparin have all the
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