A - Unity and Diversity
B - Form and Function
C - Interaction and Interdependence
D - Continuity and Change
D1.1 DNA replication
D1.2 Protein synthesis
D1.3 Mutations and gene editing
D2.1 Cell and nuclear division
D2.2 Gene expression (HL)
D2.3 Water potential
D3.1 Reproduction
D3.2 Inheritance
D3.3 Homeostasis
D4.1 Natural selection
D4.2 Sustainability and change
D4.3 Climate change
View a summary cheatsheet for D2.1 Cell and nuclear division
D2.1.1 Generation of new cells in living organisms by cell division
D2.1.2 Cytokinesis as splitting of cytoplasm in a parent cell between daughter cells
D2.1.3 Equal and unequal cytokinesis
D2.1.4 Roles of mitosis and meiosis in eukaryotes
D2.1.5 DNA replication as a prerequisite for both mitosis and meiosis
D2.1.6 Condensation and movement of chromosomes as shared features of mitosis and meiosis
D2.1.7 Phases of mitosis
D2.1.8 Identification of phases of mitosis
D2.1.9 Meiosis as a reduction division
D2.1.10 Down syndrome and non-disjunction
D2.1.11 Meiosis as a source of variation
D2.1.12 Cell proliferation for growth, cell replacement and tissue repair (HL)
D2.1.13 Phases of the cell cycle (HL)
D2.1.14 Cell growth during interphase (HL)
D2.1.15 Control of the cell cycle using cyclins (HL)
D2.1.16 Consequences of mutations in genes that control the cell cycle (HL)
D2.1.17 Differences between tumours (HL)
