
(a)
To draw: The Haworth projection of Gentiobiose.
Introduction: Gentiobiose is the common disaccharide observed in gentians and other plants. In case of the Haworth projection, sugar is represented either as pentagon or hexagon with bonds coming off the ring. Gentiobiose is composed of two subunits of glucose linked to each other with the help of glycosidic bonds oriented in beta direction.
(b)
To draw The Haworth projection of Raffinose.
Introduction: Raffinose is the trisaccharide made up of glucose, galactose, and fructose and commonly found in sugar beets In case of the Haworth projection, sugar is represented either as pentagon or hexagon with bonds coming off the ring. Raffinose is made up of one molecule of α –D- galactose, α –D- glucose and β-D fructose linked by a glycosidic bond.
(c)
To draw The Haworth projection of dextran having one branch point.
Introduction: Bacteria produce certain polysaccharides called as Dextrans. In case of the Haworth projection, sugar is represented either as pentagon or hexagon with bonds coming off the ring. Dextrans are

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Becker's World of the Cell (9th Edition)
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