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IB Biology SL B1.1.5 Polysaccharides as Energy Stores Question Bank

Practise IB Biology SL B1.1.5 by comparing starch and glycogen structure and explaining why branched, compact polysaccharides store energy efficiently.

Syllabus
First assessment 2025
Course
Biology SL
Level
SL

Exam points

  • Compare starch, amylose and amylopectin using branching, linkages and storage properties.
  • Explain why compact, insoluble polysaccharides store glucose efficiently in plants and animals.

B1.1.5—Polysaccharides as energy storage question 1

[Maximum number: 3]

Describe the structure and function of starch in plants.

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