Which of the following statements about sugar polymers and glycosaminoglycans is/are true? Glucosamine, an amino sugar, would be positively charged physiologically unless it is part of an amide bond. Chitin is a homopolymer of GlcNac in beta 1--> 4 linkages. Amylose is a homopolymer of glucose containing alpha 1--> 6 linkages. Amylopectin in a non-reducing sugar polymer consisting solely of glucose monomers. Agarose is a highly charged sugar polymer used in electrophoresis. A core of hyaluronan protein is linked to an aggrecan polysaccharide in the extracellular matrix around joints and tendons. Mucins are secreted proteins that contain branched oligosaccharides linked to serine residues. None of the options shown is true. The glycosaminoglycan "hyaluronic acid" would carry more negative charge overall when compared to a polymer of "chondroitin" of the same length.

Biochemistry
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Chapter1: Biochemistry: An Evolving Science
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Which of the following statements about sugar polymers and glycosaminoglycans is/are true?

Glucosamine, an amino sugar, would be positively charged physiologically unless it is part of an amide bond.

Chitin is a homopolymer of GlcNac in beta 1--> 4 linkages.

Amylose is a homopolymer of glucose containing alpha 1--> 6 linkages.

Amylopectin in a non-reducing sugar polymer consisting solely of glucose monomers.

Agarose is a highly charged sugar polymer used in electrophoresis.

A core of hyaluronan protein is linked to an aggrecan polysaccharide in the extracellular matrix around joints and tendons.

Mucins are secreted proteins that contain branched oligosaccharides linked to serine residues.

None of the options shown is true.

The glycosaminoglycan "hyaluronic acid" would carry more negative charge overall when compared to a polymer of "chondroitin" of the same length.

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