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Enzymatic desizing of a starch sized fabric uses

  • A.amylase, which hydrolyses the starch
  • B.cellulase, which attacks the cotton
  • C.protease, which digests protein
  • D.lipase, which splits the fats

Answer: A

Correct answer: amylase, which hydrolyses the starch

Amylase hydrolyses the glycosidic bonds of starch into soluble dextrins and sugars, which are then washed away. The specificity is the point: cellulase would attack the cotton itself, and protease and lipase act on substrates that are not present here.

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