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IB Biology SL B1.1.3 Digestion by Hydrolysis Question Bank

Practise IB Biology SL B1.1.3 by linking hydrolysis to digestion of starch, proteins and other macromolecules into absorbable monomers.

Syllabus
First assessment 2025
Course
Biology SL
Level
SL

Exam points

  • Explain how hydrolysis breaks polysaccharides, proteins and macromolecules into absorbable units.
  • Apply enzyme and water evidence to digestion, absorption and lactose-free milk production.

B1.1.3—Digestion by hydrolysis question 1

[Maximum number: 1]

Explain why digestion of large food molecules is essential.

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