1 Biological molecules
5 Energy transfers in and between organisms
1
Monomers & polymers
1
Photosynthesis
2
Carbohydrates
2
Respiration
3
Lipids
3
Energy and ecosystems
4
Protiens
4
Nutrient cycles
i General properties of proteins
ii Many proteins are enzymes
5
6 Organisms respond to changes in their internal and external environments
1
Nucleic Acids are important information-carrying molecules
Stimuli, both internal and external, are detected and lead to a response
i Survival and response
i Structure of DNA and RNA
ii Receptors
ii DNA replication
iii Control of heart rate
6
ATP
7
Water
i Nerve impulses
8
Inorganic Ions
ii Synaptic transmission
2 Cells
1
Cell Structure
2
Nervous coordination
3
Skeletal muscles are stimulated to contract by nerves and act as effectors
4
Homeostasis is the maintenance of a stable internal environment
i Structure of eukaryotic cells
i Principles of homeostasis and negative feedback
ii Structure of prokaryotic cells and of viruses
ii Control of blood glucose concentration
iii Methods of studying cells
iii Control of blood water potential
2
All cells arise from other cells
3
Transport across cell membranes
1
Inheritance
4
Cell recognition & the immune system
2
Populations
3
Evolution may lead to speciation
4
Populations in ecosystems
3 Organisms exchange substances with their environment
7 Genetics, populations, evolution and ecosystems
1
Surface area to volume ratio
2
Gas exchange
3
Digestion and absorption
1
Alteration of the sequence of bases in DNA can alter the structure of proteins
4
Mass transport
2
Gene expression is controlled by a number of features
8 The control of gene expression
i Mass transport in animals
i Most of a cell’s DNA is not translated
ii Mass transport in plants
ii Regulation of transcription and translation
4 Genetic information, variation and relationships between organisms
iii Gene expression and cancer
1
DNA, genes and chromosomes
3
Using genome projects
2
DNA and protein synthesis
4
Gene technologies …
3
Genetic diversity can arise as a result of mutation or during meiosis
i Recombinant DNA technology
4
Genetic diversity and adaptation
ii Differences in DNA between individuals in identification and diagnosis of heritable conditions
5
Species and taxonomy
iii Genetic fingerprinting
6
Biodiversity within a community
7
Investigating diversity