IB Biology A2.2 Definitions

This page contains our IB Biology definitions for 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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