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B2.2.3—Advantages of compartmentalization

Compartmentalization uses internal membranes to create organelles with controlled conditions, concentrated enzymes, separated reactions, and efficient gradients inside eukaryotic cells.

Syllabus
First assessment 2025
Objective
B2.2.3
Level
SL

Concept essentials

  • Internal membranes divide eukaryotic cells into functional compartments.
  • Compartmentalization can concentrate enzymes and substrates in small volumes.
  • Different organelles can maintain different pH or chemical conditions.
  • Lysosomes keep hydrolytic enzymes separated from the cytoplasm.
ConceptIB Biology SL