UNIT 3 - ENERGY, HOMEOSTASIS AND THE ENVIRONMENT 3.1 ATP Taught Understand Notes UNIT 4 - VARIATION, INHERITANCE AND OPTIONS Know 4.1 Sexual reproduction in humans Taught Understand Notes Know Taught Understand Notes Know Taught Understand Notes Know Taught Understand Notes Know Abundance and distribution 4.5 Application of reproduction and genetics Taught Understand Notes Know Ecosystems Human geneome project Food chains Genetic fingerprinting Photosynthetic efficiency Gel electrophoresis Energy transfer Genetic engerneering Ecological pyramids DNA identification and isolation Community and succession Genetically modified crops Factors affecting succession Genetic screening and gene therapy Carbon cycle Tissue engineering Nitrogen cycle Stem cells ATP features Male systems Chemiosmosis Female system Mitocondria and membrane Examination of TS testis and ovaries Proton gradient Gametogenesis Electron transport chain Fertilisation Implantation 3.2 Photosynthesis Taught Understand Notes Know Equation Menstual cycle Pregnancy Structure of Leaves Chloroplast(light trapping and transducers) 4.2 Sexual reproduction in plants Photosynthetic pigments Flower structure Absorption and action spectra Gamete development Photosystems Pollination Light dependent stage Double fertilisation Light independent stage Fruits and seeds Product sysnthesis Seed dispersal Limiting factors Germination Mineral nutrtion 4.3 Inheritance 3.3 Respiration Taught Understand Notes Know Genetic terms Aerobic respiration Monohybrid inheritance Glycolosis Genetic cross diagrams Krebs cycle Dihybrid inheritance Electron transport chain Linkage Anaerobic respiration Probability Energy budget Sex determination Alternate pathways Sex linkage Mutations 3.4 Microbiology Taught Understand Notes Know Control of gene expression Classification of bacteria Gram stain 4.4 Variation and evolution Conditions for growth Variation Asepic technique Competition Methods of measuring growth Selection pressure Serial Dilution Population genetics Hardy Weinburg principle 3.5 Population size and Ecosystems Taught Understand Notes Know Evolution and selection Controlling population growth Isolation and spectation Environmental resistance Darwinian evolution Population increase 3.6 Human impact on the environment Taught Understand Notes Know Taught Understand Notes Know Taught Understand Notes Know Why species are at risk Conservation Agricultural exploitation Sustainability Planetary boundaries 3.7 Homeostasis and the kidney Homeostasis Excretion Structure of the kidney and nephron Ultrafiltration Selective reabsorbtion Osmoregulation ADH Kidney failure and treatment Excretion in diifferent enironments 3.8 The nervous system The components Reflex arc Nerve nets Neurones Nervous impulse The synapse
