CourseCourseQuestionQuestionDocumentDocument
IB Biology
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 Mutation and gene editing
D2.1 Cell and nuclear division
D2.2 Gene expression [HL only]
D2.2.1 (HL)—Gene expression mechanism
D2.2.2 (HL)—Regulation of transcription
D2.2.3 (HL)—Control of mRNA degradation
D2.2.4 (HL)—Epigenesis
D2.2.5 (HL)—Genome, transcriptome, proteome
D2.2.6 (HL)—Epigenetic tags
D2.2.7 (HL)—Epigenetic inheritance
D2.2.8 (HL)—Environmental effects on expression
D2.2.9 (HL)—Epigenetic tag removal
D2.2.10 (HL)—Monozygotic twin studies
D2.2.11 (HL)—External factors
D2.3 Water potential
D3.1 Reproduction
D3.2 Inheritance
D3.3 Homeostasis
D4.1 Natural selection
D4.2 Stability and change
D4.3 Climate change
IB/Biology/HL//Concept/D Continuity and Change/D2.2 Gene expression [HL only]/D2.2.4 (HL)—Epigenesis

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