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IB Biology HL A2.1.5 Spontaneous Formation of Vesicles Questions

Practise IB Biology HL A2.1.5 by describing phospholipid-enclosed protobionts and explaining how vesicles create internal conditions.

Syllabus
First assessment 2025
Course
Biology HL
Level
HL

Exam points

  • Identify the plasma membrane as an early cell component arising from phospholipid-enclosed vesicles.
  • Describe protobionts/protocells as phospholipid-enclosed structures with an internal chemical environment distinct from surroundings.

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Study A2.1.5—Spontaneous formation of vesicles conceptsOpen the corresponding Concept lesson for explanations, examples and exam connections.

IB Biology HL A2.1.5 Spontaneous Formation of Vesicles Questions question 1

[Maximum number: 1]

State the name for primitive, phospholipid-enclosed structures that may have preceded cells.

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