IB Biology D2.1 Notes

This page contains our IB Biology notes for D2.1. By reading each one of these notes, you will fully cover the content for IB Biology 'Cell division'.

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

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Cell division

In this topic, you are expected to know about cell division to produce daughter cells. The division of the nucleus for this occurs one of two ways:

Mitosis - the division of the nucleus into two genetically identical daughter nuclei. This occurs in autosomal cells to produce more autosomal cells.
Meiosis - the division of the nucleus into four genetically distinct daughter nuclei. This occurs to sex cells to produce gametes.

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