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Chapter 8: Q16P. (page 243)

The core of pectin molecules is a polymer of α (1→4)-linked D-galacturonate. Draw one of its residues.

Short Answer

Expert verified

D-galacturonate is a monosaccharide residue. It is combined with the acetyl and methyl group and forms the polymer of pectin with α (1→4) linkage.

D-Galacturonate

Step by step solution

01

D-galacturonate monosaccharide

D-galacturonate is a monosaccharide of pectin polymer and has a negative charge. It combines with acetyl and methyl groups and forms the pectin polymer. It forms the cross-linkage with a nearby molecule and forms a polymer structure.

02

Pectin polymer

D-galacturonate extends the chain with α (1→4) linkage with another D-galacturonate and forms polymer pectin. Pectin is a highly hydrated gel substance.

D-galacturonate combined with acetyl and methyl group with α (1→4) linkage form pectin polymer.

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