IB Biology Sub-topic A2.2 Definitions

This page contains our IB Biology definitions for sub-topic A2.2. By learning each one of these definitions, you will fully cover the content for IB Biology 'Further cell structure'.

All Topic 2 Sub-topics

(HL)A2.1: Origins of cells

A2.2: Cell Structure

(HL)A2.2: Further cell structure

(HL)A2.3: Viruses

B2.1: Membranes And Transport

(HL)B2.1: Further membranes and transport

B2.2: Organelles & Compartmentalisation

(HL)B2.2: Further organelles

B2.3: Cell Specialisation

(HL)B2.3: Further cell specialisation

(HL)C2.1: Chemical signalling

C2.2: Neural Signalling

(HL)C2.2: Further neural signalling

D2.1: Cell Division

(HL)D2.1: Cell cycle

(HL)D2.2: Gene expression

D2.3: Water Potential

(HL)D2.3: Further water potential

endosymbiosis

The absorbance of a smaller cell by a larger cell with a vesicle so that the smaller cell now performs functions for the larger cell

symbyosis

The living together of two organisms

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