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IB Biology Topic D2.2 Gene Expression Notes &… | RevisionDojo

IB
D2.2 Gene expression (HL)

A1.1 Water

A1.2 Nucleic acids

A2.1 Origins of cells (HL)

A2.2 Cell structure

A2.3 Viruses (HL)

A3.1 Diversity of organisms

A3.2 Classification and cladistics (HL)

A4.1 Evolution and speciation

A4.2 Conservation of biodiversity

B1.1 Carbohydrates and lipids

B1.2 Proteins

B2.1 Membranes and membrane transport

B2.2 Organelles and compartmentalization

B2.3 Cell specialization

B3.1 Gas exchange

B3.2 Transport

B3.3 Muscle and motility (HL)

B4.1 Adaptation to environment

B4.2 Ecological niches

C1.1 Enzymes and metabolism

C1.2 Cell respiration

C1.3 Photosynthesis

C2.1 Chemical signalling (HL)

C2.2 Neural signalling

C3.1 Integration of body systems

C3.2 Defense against disease

C4.1 Populations and communities

C4.2 Transfer of energy and matter

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

IB Biology Topic D2.2: Gene Expression

IB Biology Topic D2.2 Gene Expression (HL) covers syllabus content as part of Topic D2: Cells under Theme D: Continuity and Change. Use these Notes, Questionbank, Videos, Flashcards, and Lessons to review the topic, practise exam questions, and move between notes, videos, flashcards, and lessons where available.

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19 definitions

D2.2.1 Gene expression

D2.2.2 Regulation of transcription by proteins

D2.2.3 Control of the degradation of mRNA

D2.2.4 Epigenesis

D2.2.5 Differences between the genome, transcriptome and proteome of individual cells

D2.2.6 Methylation of the promoter and histones in nucleosomes as examples of epigenetic tags

D2.2.7 Epigenetic inheritance through heritable changes to gene expression

D2.2.8 Examples of environmental effects on gene expression in cells and organisms

D2.2.9 Consequences of removal of most but not all epigenetic tags from the ovum and sperm

D2.2.10 Monozygotic twin studies

D2.2.11 External factors impacting the pattern of gene expression

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What this topic covers

D2.2 Gene expression

Topic D2: Cells

Theme D: Continuity and Change