Starch is a polymer of

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(A) Starch is a polysaccharide,which is a polymer of $\alpha$-glucose units.It is formed by the condensation of glucose units linked by glycosidic bon

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Glucose

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(A) Starch is a polysaccharide,which is a polymer of $\alpha$-glucose units.It is formed by the condensation of glucose units linked by glycosidic bonds.The general formula of starch is $(C_6H_{10}O_5)_n$.It exists in two forms: amylose and amylopectin.Amylose is a linear polymer of $\alpha$-$D$-glucose units linked by $\alpha-1,4$-glycosidic bonds.Amylopectin is a branched polymer of $\alpha$-$D$-glucose units,where the main chain is linked by $\alpha-1,4$-glycosidic bonds and branching occurs via $\alpha-1,6$-glycosidic bonds.

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