DFE subject area DFE subject content DFE subject detail SAPS resources OCR GCSE Gateway Science Biology A J247 Spec section GCSE GCSE 21st Century Science Biology B J257 Spec section OCR GCSE Gateway Science Combined Science A J250 Spec section OCR GCSE 21st Century Science Combined Science B J260 Spec section Cell Biology Prokaryotic and eukaryotic cells explain how the main structures of eukaryotic cells (plants and animals) and prokaryotic cells are related to their functions, including the nucleus/genetic material, plasmids, mitochondria, chloroplasts and cell membranes Video clip 14-16, post 16 Practical 11-14 B1.1 B1.1 B1.1 B1.1 B1.3 explain the aseptic techniques used in culturing organisms Practical Post 16 B6.3 B2.4 cellular
through diffusion, osmosis and active transport Transport systems in organisms describe some of the substances transported into and out of a range of organisms in terms of the requirements of those organisms, to include oxygen, carbon dioxide, water, dissolved food molecules, mineral ions and urea. Animation (water and sugar transport) 14-16, post 16 Animation (respiration and photosynthesis)14-16, post 16 B2.2 B3.2 B3.3 B2.2 B3.2 B3.3 Transport systems in plants explain how the structure of and phloem are adapted to their functions in the plant Resource 11-14 Practical 11-14, 14-16, post 16 Practical Post 16 Resource (Moving through plants section)11-14 B2.2 B3.2 B2.2 B3.2 explain how water and mineral ions are taken up by plants, relating the structure of the root hair cells to their function Animation and sugar transport)14-16, post 16 Practical Post 16 Resource (plant roots section)11-14 Resource (Plant cells and water section)11-14 B2.2 B3.2 B2.2 B3.2
Practical Post 16 describe a minimum of one common infection, one plant disease and sexually transmitted infections in humans including HIV/AIDS Resource 14-16 Practical 14-16 Practical 14-16 Practical 14-16 Practical 14-16, post 16 Resource 14-16, post 16 Resource Post 16 Practical Science club Resource 14-16, post 16 Practical , Post 16 B6.3 B2.1 B6.3 B2.1 describe how monoclonal antibodies are produced Practical Post 16 B6.3 B2.6 describe some of the ways in which monoclonal antibodies can be used Practical Post 16 B6.3 B2.6 describe physical plant defence responses (including leaf cuticle, cell /wall) Resource 14-16 Resource 14-16, post 16 B6.3 B2.2
Resource Post 16 Practical Science club Resource Post 16 Resource Post 16 describe chemical plant defence responses (including antimicrobial substances) Resource 14-16 Resource 14-16, post 16 Resource Post 16 Practical Science club Resource Post 16 Resource Post 16 B6.3 B2.2 describe different ways plant diseases can be detected and identified, in the lab and in the field Resource 14-16 Practical 14-16 Practical 14-16 Practical 14-16 Practical 14-16, post 16 Resource 14-16, post 16 B6.3 B2.4
organisms in an ecosystem and explain how to determine their numbers in a given area Practical Post 16 Practical 14-16 Resource 14-16, post 16 describe both positive and negative human interactions within ecosystems and explain their impact on biodiversity Resource Post 16 Practical 14-16, post 16 Practical 14-16, post 16 Resource 14-16 Resource 14-16, post 16 Resource 14-16 B6.2 B6.4 B6.1 B6.3 explain some of the benefits and challenges of maintaining and global biodiversity. Practical 14-16 Resource post 16 Resource 11-14 B6.1 B6.4 B6.1 B6.3 Some of the biological challenges of increasing food yields describe some of the biological factors affecting levels of food security including increasing human population, changing diets in wealthier populations, new pests and pathogens, environmental change, Resource 4-7, 7-11 Video clip 11-14, 14-16, post 16 Resource post 16 Resource 14-16 B6.2 B6.4 B6.2
heterozygous, genotype and phenotype describe simply how the genome, and its interaction with the environment, influence the development of the phenotype of an organism Practical 11-14, 14-16, post 16 Resource post 16 B5.1 B1.1 B5.1 B1.1 Inheritance explain single gene inheritance Practical post 16 clip 14-16, post 16 B5.1 B1.2 B5.1 B1.2 predict the results of single gene crosses Practical post 16 B5.1 B1.2 B5.1 B1.2 describe the development of our understanding of genetics including the work of Mendel Video clip 14-16, post 16 Video clip 14-16, post 16 B5.1 B1.2 Variation and evolution explain how evolution occurs through natural selection of variants that give rise to phenotypes best suited to their environment Practical 11-14, 14-16, post 16 B5.2 B6.1 B5.2 B6.1 describe the impact of developments in biology on classification systems Practical 14-16, post 16 Video clip 11-14, 14-16, post 16 Resource post 16 5.2 6.3 5.2 6.3 describe the work of Darwin and Wallace in the development of the theory of evolution by natural selection and explain clip 11-14, 14-16 B5.2 B6.1
the impact of these ideas on modern biology. Selective breeding and gene technology explain the impact of the selective breeding of food plants and domesticated animals Practical 14-16, post 16 B6.2 B6.1 B6.2 B6.1 describe genetic engineering as a process involves modifying the genome of an organism to introduce desirable characteristics Resource 14-16, post 16 Practical 14-16, post 16 B6.2 B1.3 B6.2 B1.3 explain some of the possible benefits and risks, including practical and ethical considerations, of using gene technology in modern agriculture and medicine. Video clip 11-14, 14-16, post 16 Video clip 14-16, post 16 Resource 14-16, post 16 Resource post 16 B6.2 B1.3 B6.2 B1.3