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Questions and Answers
Which polysaccharide is the principal component of the hard exoskeletons of arthropods?
Which polysaccharide is the principal component of the hard exoskeletons of arthropods?
- Chitosan
- Hyaluronan
- N-acetyl-D-glucosamine
- Chitin (correct)
What is the only difference between chitin and cellulose?
What is the only difference between chitin and cellulose?
- The ability to be digested by vertebrate enzymes
- The formation of extended fibers
- The replacement of the hydroxyl group at C-2 with an acetylated amino group (correct)
- The linkage between the monosaccharide residues
Which polysaccharide cannot be digested by enzymes found in vertebrates?
Which polysaccharide cannot be digested by enzymes found in vertebrates?
- N-acetyl-D-glucosamine
- Chitin (correct)
- Hyaluronan
- Chitosan
Which polysaccharide consists of alternating residues of D-glucuronic acid and N-acetylglucosamine?
Which polysaccharide consists of alternating residues of D-glucuronic acid and N-acetylglucosamine?
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Which polysaccharide is probably the second most abundant in nature?
Which polysaccharide is probably the second most abundant in nature?
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