My Revision Notes: AQA A Level Biology
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Contents
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Language
English
ISBN
9781471842207
Cover
Title Page
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1 Biological molecules
Monomers and polymers
Carbohydrates
Lipids
General properties of proteins
Many proteins are enzymes
Nucleic acids are important information-carrying molecules
ATP
Water
Inorganic ions
2 Cells
Cell structure
All cells arise from other cells
Transport across cell membranes
Cell recognition and the immune system
3 Organisms exchange substances with their environment
Surface area to volume ratio
Gas exchange
Digestion and absorption
Mass transport in animals
Mass transport in plants
4 Genetic information, variation and relationships between organisms
DNA, genes and chromosomes
DNA and protein synthesis
Genetic diversity can arise as a result of mutation or during meiosis
Genetic diversity and adaptation
Species and taxonomy
Biodiversity within a community
Investigating diversity
5 Energy transfers in and between organisms
Photosynthesis
The light-dependent reaction
The light-independent reaction
Limiting factors
Respiration
Aerobic respiration
Anaerobic respiration
Measuring respiration
6 Energy and ecosystems
Net productivity of producers
Net productivity of consumers
Nutrient cycles
7 Stimulus and response
Survival and response
Receptors
Control of heart rate
8 Nervous coordination
Nerve impulses
Synaptic transmission
Skeletal muscles
9 Homeostasis
Principles of homeostasis and negative feedback
Control of blood glucose concentration
Control of blood water potential
10 Inheritance
Monohybrid crosses
Dihybrid inheritance
Linkage
Epistasis
Use of the chi-squared (χ2) test in genetics exams
Population genetics
Evolution
Speciation
11 Populations in ecosystems
Biotic and abiotic factors
Investigating populations
How ecosystems develop
12 The control of gene expression
Mutation: alteration of the sequence of bases in DNA can alter the structure of proteins
Gene expression is controlled by a number of features
Regulation of transcription and translation
Gene expression and cancer
13 DNA technology
Recombinant DNA technology
Gene therapy
Medical diagnosis
Genetic fingerprinting
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