Biology topic links

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UNIT	TOPIC	TITLE
Topic 1: Cell biology	1.1	Introduction to cells
	1.2	Ultrastructure of cells
	1.3	Membrane structure
	1.4	Membrane transport
	1.5	The origin of cells
	1.6	Cell division
Topic 2: Molecular biology	2.1	Molecules to metabolism
	2.2	Water
	2.3	Carbohydrates and lipids
	2.4	Proteins
	2.5	Enzymes
	2.6	Structure of DNA and RNA
	2.7a	DNA replication
	2.7b	Transcription and translation
	2.8	Cell respiration
	2.9	Photosynthesis
Topic 3: Genetics	3.1	Genes
	3.2	Chromosomes
	3.3	Meiosis
	3.4	Inheritance
	3.5	Genetic modification and biotechnology
Topic 4: Evolution	4.1	Species, communities and ecosystems
	4.2	Energy flow
	4.3	Carbon cycle
	4.4	Climate change
Topic 5: Evolution and biodiversity	5.1	Evidence for evolution
	5.2	Natural selection
	5.3	Classification of biodiversity
	5.4	Cladistics
Topic 6: Human physiology	6.1	Digestion and absorption
	6.2	The blood system
	6.3	Defense against infectious diseases
	6.4	Gas exchange
	6.5	Neurons and synapses
	6.6a	Hormones and homeostatis
	6.6b	Reproduction
Topic 7: Nucleic acids	7.1	HL - DNA structure and replication
	7.2	HL - Transcription and gene expression
	7.3	HL - Translation
Topic 8: Metabolism, cell respiration and photosynthesis	8.1	HL - Metabolism
	8.2	HL - Cell respiration
	8.3	HL - Photosynthesis
Topic 9: Plant biology	9.1	HL - Transport in the xylem of plants
	9.2	HL - Transport in the phloem of plants
	9.3	HL - Growth in plants
	9.4	HL - Reproduction in plants
Topic 10: Genetics and evolution	10.1	HL - Meiosis
	10.2	HL - Inheritance
	10.3	HL - Gene pool and speciation
Topic 11: Animal physiology	11.1	HL - Antibody production
	11.2	HL - Movement
	11.3	HL - The kidney and osmoregulation
	11.4	HL - Sexual reproduction