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Edexcel A-Level Biology AS 1.4 Glycosidic Bonds Condensation and Hydrolysis Questions

Practise explaining condensation and hydrolysis of carbohydrates, identifying glycosidic links and relating bond structure to digestion using marked evidence.

Syllabus
First assessment 2019
Course
Biology YBI11
Level
AS

Exam points

  • Explain condensation reactions that form glycosidic bonds between monosaccharides.
  • Explain hydrolysis of disaccharides and polysaccharides during digestion and enzyme action.
  • Identify glycosidic bond types and structures in maltose, lactose, sucrose, glycogen and starch.
  • Apply bond-position and carbohydrate-structure evidence to interpret diagrams and data.

Edexcel A-Level Biology AS 1.4 Glycosidic Bonds Condensation and Hydrolysis Questions 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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