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A2. Cells | IB Biology
THEME A

A2. Cells

The Building Blocks of Life
Explore the fundamental units of life – from the origins of cellular life to complex cellular structures and the unique characteristics of viruses.

🌱 A2.1 Origins of Cells

Study how life began on Earth and how the first cells evolved from simple organic molecules to complex cellular structures.

Jump to A2.1 Materials → HL

🔬 A2.2 Cell Structure

Examine the intricate organization of prokaryotic and eukaryotic cells, their organelles, and specialized structures.

Jump to A2.2 Materials → SL+HL

🦠 A2.3 Viruses

Investigate the unique characteristics of viruses, their replication cycles, and their relationship with host cells.

Jump to A2.3 Materials → HL
🌱

A2.1 Origins of Cells

PDF

A2.1 Origins of Cells (HL) – 20 marks

HL

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View PDF 1
🔬

A2.2 Cell Structure

PDF

A2.2 Cell Structure (SL) – 20 marks

SL

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View PDF 2
PDF

A2.2 Cell Structure (HL) – Biology Assessment

HL

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View PDF 3
🦠

A2.3 Viruses

PDF

A2.3 Viruses (HL) – 20 marks

HL

📖 View the PDF above or open in a new tab for better reading

View PDF 4

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