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CAIE A-Level Biology 2.2.5 Glycosidic Bond Formation and Hydrolysis

Practise drawing glycosidic bonds formed by condensation or broken by hydrolysis, showing linked carbon positions and water removal or addition correctly.

Syllabus
2028–2030
Course
Biology 9700
Level
AS

Exam points

  • show condensation joining hydroxyl groups while releasing one molecule of water
  • identify the glycosidic linkage and its carbon positions from a carbohydrate diagram
  • show hydrolysis adding water across the bond to regenerate monosaccharide hydroxyl groups

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