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A2.2.6—Eukaryote cell structure

Eukaryotic cells partition functions among a nucleus, endomembrane system, cytoskeleton, mitochondria, and other organelles, enabling regulated and spatially organized cellular activity.

Syllabus
First assessment 2025
Objective
A2.2.6
Level
SL

Exam analysis

Chance of appearing5%of analysed past papers
Latest appearanceNovember 2025
Most common paperPaper1
Typical marks1

Common command terms

  • Identify
  • Label
  • State
  • Draw

Scoring notes

Common mistake
Identifying an organelle from size alone while ignoring membranes and internal structure.

Recent exam appearances

November 2025Paper2 ["SL"] · TZ13(b)[ 1 ]A2.2.6—Eukaryote cell structure
May 2022Paper1 ["SL"] · TZ11[ 1 ]A2.2.6—Eukaryote cell structure
May 2021Paper1 ["SL"] · TZ213[ 1 ]A2.2.6—Eukaryote cell structure
May 2017Paper1 ["SL"] · TZ13[ 1 ]A2.2.6—Eukaryote cell structure
May 2017Paper1 ["SL"] · TZ12[ 1 ]A2.2.6—Eukaryote cell structure
Practice this objective

Coverage 2013–2025 · Updated 15 Jul 2026

Concept essentials

  • The nucleus encloses the chromosomes of a eukaryotic cell.
  • Membrane-bound organelles compartmentalize cellular reactions.
  • The endomembrane system modifies and transports proteins and lipids.
  • Mitochondria support aerobic energy release.
ConceptIB Biology SL