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IB Biology HL A2.2.13 Hl Cell Differentiation Questions

Practise IB Biology HL A2.2.13 by linking selective gene expression to proteome differences and the development of specialized cell types.

Syllabus
First assessment 2025
Course
Biology HL
Level
HL

Exam points

  • Explain how selective expression of different genes in cells with the same genome produces different proteomes.
  • Relate differential gene expression to cell differentiation and the formation of specialized tissues.
  • Use blood-cell or pancreatic β-cell examples to connect expressed genes, proteome differences and specialized function.

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Study A2.2.13 (HL)—Cell differentiation conceptsOpen the corresponding Concept lesson for explanations, examples and exam connections.

IB Biology HL A2.2.13 Hl Cell Differentiation Questions question 1

[Maximum number: 1]

The micrograph shows two types of blood cell.

Figure for Question IB Biology HL A2.2.13 Hl Cell Differentiation Questions question 1 — IB Biology HL

What determines the differences between the two types of cell?

A

Different number of mitotic cycles

B

Different expression of some genes

C

Reaction to oxygen of red blood cells

D

Reaction to antigens of white blood cells

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