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A2.1.5—Spontaneous formation of vesicles Topic Practice

A2.1.5—Spontaneous formation of vesicles Topic Practice
IB Biology syllabusBiology SL/HLFirst assessment 2025

Practise linking early cell origins to phospholipid vesicles, plasma membranes and primitive protocell structures in short-answer and MCQ tasks.

How this is tested

  • state the primitive phospholipid-enclosed structures that may have preceded cells
  • identify the plasma membrane as an early cell component in origin-of-life MCQs
  • link vesicle formation to the first boundary around simple cell-like structures
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