IB Biology HL 2.2.9 Cell Differentiation and Specialisation
Practise IB Biology HL 2.2.9 by evaluating how specialised cells lose nuclei or organelles and become atypical.
- Syllabus
- First assessment 2025
- Course
- Biology HL
- Level
- HL
Exam points
- Evaluate how red blood cells and phloem sieve tubes become atypical through loss of nuclei or organelles.
- Use muscle-fibre and Acetabularia evidence to discuss limits of a universal cell-theory statement.
A2.2.9—Atypical cell structure question 1
The diagram shows the bones and muscles of the human elbow joint.
State one reason that striated muscle cells are considered atypical.
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