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IB Biology SL B1.1.11 Triglycerides Functions Questions

Practise IB Biology SL B1.1.11 by explaining how triglyceride properties make lipids efficient long-term energy stores.

Syllabus
First assessment 2025
Course
Biology SL
Level
SL

Exam points

  • Explain why triglycerides provide concentrated long-term energy storage, including greater energy release per gram than carbohydrate.
  • Relate triglyceride insolubility to compact storage without an osmotic effect in adipose tissue.
  • Explain how fat stores provide insulation, protection or buoyancy and are mobilized after short-term carbohydrate stores.

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Study B1.1.11—Triglycerides functions conceptsOpen the corresponding Concept lesson for explanations, examples and exam connections.

IB Biology SL B1.1.11 Triglycerides Functions Questions question 1

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The diagram shows the structure of a triglyceride.

Figure for Question IB Biology SL B1.1.11 Triglycerides Functions Questions question 1 — IB Biology SL

Explain how the properties of triglycerides make them suitable for energy storage.

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