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Biological moleculesBiology · topic
Monomers and polymersBiology · topic
CarbohydratesBiology · topic
LipidsBiology · topic
ProteinsBiology · topic · Amino acids join by condensation to form peptide bonds. The primary sequence influences seconda
Nucleic acidsBiology · topic
ATPBiology · topic
WaterBiology · topic
Inorganic ionsBiology · topic
CellsBiology · topic
Cell structureBiology · topic
All cells arise from other cellsBiology · topic
Transport across cell membranesBiology · topic · Diffusion and facilitated diffusion are passive. Active transport moves substances against a co
Cell recognition and the immune systemBiology · topic
Organisms exchange substances with their environmentBiology · topic
Surface area to volume ratioBiology · topic
Gas exchangeBiology · topic
Digestion and absorptionBiology · topic
Mass transport in animalsBiology · topic
Mass transport in plantsBiology · topic
Genetic information, variation and relationships between organismsBiology · topic
DNA, genes and chromosomesBiology · topic
DNA and protein synthesisBiology · topic
Genetic diversity can arise as a result of mutation or during meiosisBiology · topic
Genetic diversity and adaptationBiology · topic
Species and taxonomyBiology · topic
Biodiversity within a communityBiology · topic
Investigating diversityBiology · topic
Energy transfers in and between organismsBiology · topic
PhotosynthesisBiology · topic · Light-dependent reactions produce ATP and reduced NADP in the thylakoid membranes. These provid
RespirationBiology · topic
Energy and ecosystemsBiology · topic
Nutrient cyclesBiology · topic
Organisms respond to changes in their internal and external environmentsBiology · topic
Stimuli, both internal and external, are detected and lead to a responseBiology · topic
Nervous coordinationBiology · topic
Skeletal musclesBiology · topic
HomeostasisBiology · topic
Control of blood glucose concentrationBiology · topic
Control of blood water potentialBiology · topic
Genetics, populations, evolution and ecosystemsBiology · topic
InheritanceBiology · topic
PopulationsBiology · topic
Evolution may lead to speciationBiology · topic
Populations in ecosystemsBiology · topic
The control of gene expressionBiology · topic
Alteration of the sequence of bases in DNABiology · topic
Gene expressionBiology · topic
Genome projectsBiology · topic
Recombinant DNA technologyBiology · topic
Development of practical skills in chemistryChemistry · topic
Practical skills assessed in a written examinationChemistry · topic
Practical skills assessed in the practical endorsementChemistry · topic
Foundations in chemistryChemistry · topic
Atomic structure and isotopesChemistry · topic
Compounds, formulae and equationsChemistry · topic
Amount of substanceChemistry · topic · The mole connects particle number with mass and solution concentration. Convert all quantities
AcidsChemistry · topic
RedoxChemistry · topic
Electron structureChemistry · topic