DFE subject area DFE subject content DFE subject detail SAPS resources WJEC Eduqas GCSE Biology Specification section WJEC Eduqas GCSE Combined Science Specification section Cell Biology Prokaryotic and eukaryotic cells explain how the main sub-cellular 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 1.1 1.1 explain the aseptic techniques used in culturing organisms Practical Post 16 3.3 3.3 Growth and development of cells describe the process of mitosis in growth, including the cell cycle Practical Post 16 Animation 14-16, post 16 1.2 1.2 explain the importance of cell differentiation Animation 14-16, post 16 1.2 1.2 describe the function of stem in embryonic and adult animals and meristems in plants Practical Post 16 Animation 14-16, post 16 1.2 1.2
Practical 14-16, Post 16 Cell metabolism explain the mechanism of enzyme action including the active site, enzyme specificity and factors affecting the rate of enzymatic reaction Practical 14-16, post 16 Practical 14-16, post 16 1.3 1.3 describe cellular respiration as an exothermic reaction which is continuously occurring in all living cells Animation 14-16, post 16 Practical 11-14 Practical Post 16 1.3 6.1 1.3 explain the importance of sugars, acids, fatty acids and glycerol in the synthesis and breakdown of carbohydrates, lipids and proteins. Practical 11-14 Practical 11-14 clip 11-14, 14-16, post 16 1.3 1.3 Transport systems Transport in cells explain how substances are transported into and out of through diffusion, osmosis and active transport Practical Post 16 2.1 2.1 Transport systems in multicellular 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 2.1 2.3 2.1 2.3 Transport systems in plants explain how the structure of xylem and phloem are adapted to their functions in the plant Resource 11-14 Practical 11-14, 14-16, post 16 Practical Post 16 2.3 2.3
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 Resource Post 16 Practical Science club Resource 14-16, post 16 Practical Post 16 Practical 14-16, Post 16 3.2 Treating, curing and preventing disease explain how the spread of communicable diseases may be reduced or prevented in animals and plants, to include a minimum of one common human infection, one plant disease and sexually transmitted infections in humans including HIV/AIDS Resource 14-16 Practical 14-16 Practical 14-16 Resource 14-16, post 16 Resource Post 16 3.2 3.2
Practical Science club Resource 14-16, post 16 Video clip 11-14, 14-16, post 16 and control hormones explain how hormones are important in the control and coordination of plant growth and development, with reference to the role of auxins in phototropisms and gravitropisms Practical 11-14, 14-16 Practical 14-16, post 16 Practical 7-11, 11-14, 14-16, post 16 Practical Post 16 Resource 11-14, 14-16, post 16 Practical 11-14, 14-16, post 16 4.4 describe some of the effects of plant hormones, relating to auxins, gibberellins and ethene Practical Post 16 Practical Post 16 4.4 describe some of the different ways in which people use plant hormones to control plant growth Practical Post 16 4.4 Importance of describe the process of photosynthesis and describe photosynthesis as an endothermic reaction Resource Post 16 Practical 11-14, 14-16 Resource Post 16 Resource 11-14, 14-16 5 5
describe pyramids of biomass and explain, with examples, how biomass is lost between the different trophic levels Practical 14-16, post 16 6.1 6.1 Biodiversity describe how to carry out a field investigation into the distribution and abundance of organisms in an ecosystem and explain how to determine their numbers in a given area Practical 11-14, 14-16, post 16 Practical 11-14, 14-16, post 16 Practical Post 16 Practical 14-16 Resource 14-16, post 16 6.3 6.3 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 6.3 6.3 explain some of the benefits and challenges of maintaining and global biodiversity. Practical 14-16 Resource post 16 Resource 11-14 6.3 6.3 Some of the biological describe some of the biological factors affecting levels of food security including Resource 4-7, 7-11 6.4