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Edexcel IAL Biology 1.4 Glycosidic bonds, condensation and hydrolysis

Identify the monosaccharides and bond position, show water removed or added and connect enzyme action to the correct disaccharide or polysaccharide product.

Syllabus
First assessment 2019
Course
Biology YBI11
Level
AS

Exam points

  • Draw or complete glycosidic bonds and the water formed in condensation reactions.
  • Distinguish condensation from hydrolysis by whether water is removed or added.
  • Apply 1-4 and 1-6 bond evidence to predict products of enzyme digestion.

1.4—Glycosidic bonds, condensation and hydrolysis question 1

[Maximum number: 2]

The enzyme invertase breaks down sucrose into its two component monosaccharides.

Describe the structure of sucrose.

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