EduNinja

A Unity and Diversity

A1.2 Nucleic acids

A2.1 Origins of cells

A2.2 Cell structure

A2.3 Viruses [HL only]

A3.1 Diversity of organisms

A3.2 Classification and cladistics [HL only]

A4.1 Evolution and speciation

A4.2 Conservation of biodiversity

B Form and Function

B1.1 Carbohydrates and lipids

B2.1 Membranes and membrane transport

B2.2 Organelles and compartmentalization

B2.3 Cell specialization

B3.1 Gas exchange

B3.3 Muscle and motility [HL only]

B4.1 Adaptation to environment

B4.2 Ecological niches

C Interaction and Interdependence

C1.1 Enzymes and metabolism

C1.1.1—Enzymes as catalysts

C1.1.2—Role in metabolism

C1.1.3—Anabolic and catabolic reactions

C1.1.4—Enzymes as globular proteins

C1.1.5—Induced-fit binding

C1.1.6—Molecular motion

C1.1.7—Relationships between structure and function

C1.1.8—Effects on enzyme activity

C1.1.9—Measuring enzyme reactions

C1.1.10—Effect of enzymes on activation energy

C1.1.11 (HL)—Intracellular vs. extracellular enzymes

C1.1.12 (HL)—Heat generation

C1.1.13 (HL)—Cyclical and linear pathways in metabolism

C1.1.14 (HL)—Allosteric sites and non-competitive inhibition

C1.1.15 (HL)—Competitive inhibition

C1.1.16 (HL)—Feedback inhibition

C1.1.17 (HL)—Mechanism-based inhibition

C1.2 Cell respiration

C1.3 Photosynthesis

C2.1 Chemical signalling [HL only]

C2.2 Neural signalling

C3.1 Integration of body systems

C3.2 Defence against disease

C4.1 Populations and communities

C4.2 Transfers of energy and matter

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]

D2.3 Water potential

D3.1 Reproduction

D3.2 Inheritance

D3.3 Homeostasis

D4.1 Natural selection

D4.2 Stability and change

D4.3 Climate change

C1.1.17 (HL)—Mechanism-based inhibition Topic Practice

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