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IB Biology HL A2.2.13 Hl Cell Differentiation Questions

In multicellular organisms, cells share the same genome but express different genes. See how these differences in gene expression produce distinct proteomes and specialized cells, tissues and organs.

Syllabus
First assessment 2025
Course
Biology HL
Level
HL

Exam points

  • Explain that cells in a multicellular organism share the same genome but express different genes.
  • Relate different gene expression to proteome differences, cell specialization and the formation of specialized cells, tissues and organs.

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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