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1. Close your notes and write the main idea in two sentences from memory.
2. Reopen the source and correct the first mistake or omission you find.
3. Add one example and one question to test whether you can apply the idea.

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Topics in the resource inventory

• DNA structure, base pairing and semi-conservative replication
• From gene to polypeptide: transcription, translation and the genetic code
• Protein structure levels, enzyme specificity and factors affecting enzyme activity
• Gene expression, epigenetics and the effects of mutations
• PCR, gel electrophoresis, DNA profiling and gene technologies (CRISPR, transgenic organisms)
• Fluid mosaic membrane, prokaryotes vs eukaryotes and organelle structure and function
• Photosynthesis, aerobic respiration, fermentation and ATP
• Diffusion, osmosis, active transport, SA:V ratio and transport proteins
• Metabolic pathways, internal membranes and chemicals that interfere with metabolism
• Binary fission, mitosis, meiosis, the cell cycle and its regulation, and cell culture
• Tolerance limits, homeostasis and the stimulus-response negative feedback model
• Neurons, nerve pathways, synapses, neurotransmitters and reflex arcs
• Hormones: insulin and glucagon, thyroxine and TSH, ADH and adrenaline
• Thermoregulation, osmoregulation, blood glucose and blood CO2 control by nervous and endocrine systems
• Origin of cells, endosymbiosis and comparative genomics as evidence for evolution
• Defining species and pre-zygotic and post-zygotic isolating mechanisms
• Mutation, gene pools, natural selection, gene flow and genetic drift
• Allopatric speciation, adaptive radiation, convergent evolution, succession and extinction risk
• Deconstructing problems: hypotheses, variables, controls and ethical considerations
• Analysing data, errors, reliability, accuracy, validity and justified conclusions