Syllabus Edition

First teaching 2023

First exams 2025

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Organelles & Compartmentalisation (SL IB Biology)

Exam Questions

11 mins4 questions
1a
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1 mark

The mitochondria are organelles within a eukaryotic cell that show compartmentalisation.

State what is meant by compartmentalisation.

1b
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2 marks

In addition to the mitochondria, identify two other compartmentalised structures with double membranes characteristic of a eukaryotic cell.

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2a
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3 marks

The ability to isolate organelles led to progress in the understanding of organelle structures and function.

(i)

Describe the technique used to separate cellular organelles by size.

[2]
(ii)

Explain the order in which the organelles in the table in part (a) would be collected using the method described in part (i).

[1]
2b
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3 marks

Pancreatic cells have adaptations that include many mitochondria.

Explain the role of mitochondria in the function of pancreatic cells as described in part (c).

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