Questions marked the way the scheme marks them
Maths and data for biology
All three papers · at least 10% of marks need Level 2 maths
3.1 Biological molecules
Paper 1 and Paper 3
- L02 · Monomers, polymers, condensation and hydrolysis6 questions · Free
- L03 · Sugars, polysaccharides and their tests7 questions
- L04 · Triglycerides and phospholipids6 questions
- L05 · Amino acids and protein structure6 questions
- L06 · Enzyme action, rates and inhibition9 questions · Free
- L07 · DNA and RNA structure6 questions
- L08 · Semi-conservative replication6 questions
- L09 · ATP, water and inorganic ions9 questions
3.2 Cells
Paper 1 and Paper 3
- L10 · Eukaryotic cell structure6 questions
- L11 · Prokaryotic cells and viruses6 questions
- L12 · Microscopes, magnification and cell fractionation7 questions
- L13 · The cell cycle, mitosis and binary fission8 questions
- L14 · Membranes and transport across them12 questions
- L15 · Antigens, phagocytes and lymphocytes6 questions
- L16 · Antibodies, vaccines, HIV and ELISA8 questions
3.3 Exchange and transport
Paper 1 and Paper 3
- L17 · Size, surface area and exchange6 questions
- L18 · Gas exchange in insects, fish, leaves and lungs11 questions
- L19 · Digestion and absorption8 questions
- L20 · Haemoglobin and oxygen dissociation6 questions
- L21 · The heart, blood vessels and tissue fluid10 questions
- L22 · Transport in plants7 questions
3.4 Genetic information, variation and relationships
Paper 1 and Paper 3
- L23 · Genes, chromosomes and the genetic code6 questions
- L24 · Transcription and translation8 questions
- L25 · Mutation and meiosis8 questions
- L26 · Genetic diversity, selection and adaptation7 questions
- L27 · Species, courtship and classification6 questions
- L28 · Biodiversity and the diversity index6 questions
- L29 · Measuring genetic diversity and variation7 questions
3.5 Energy transfers
Paper 2 and Paper 3
- L30 · Photosynthesis: the light-dependent reaction8 questions
- L31 · The Calvin cycle and limiting factors6 questions
- L32 · Glycolysis and anaerobic respiration6 questions
- L33 · Link reaction, Krebs cycle and oxidative phosphorylation7 questions
- L34 · Energy transfer and productivity8 questions
- L35 · Nitrogen and phosphorus cycles8 questions
3.6 Responding to change
Paper 2 and Paper 3
- L36 · Tropisms, taxes, kineses and reflexes7 questions
- L37 · Receptors: the Pacinian corpuscle, rods and cones6 questions
- L38 · Control of heart rate6 questions
- L39 · Resting and action potentials6 questions
- L40 · Synaptic transmission6 questions
- L41 · Skeletal muscle contraction6 questions
- L42 · Homeostasis and feedback6 questions
- L43 · Control of blood glucose7 questions
- L44 · The kidney and blood water potential6 questions
3.7 Genetics, populations, evolution and ecosystems
Paper 2 and Paper 3
- L45 · Genetic crosses, sex linkage and codominance7 questions
- L46 · Linkage, epistasis and the chi-squared test7 questions
- L47 · Populations and the Hardy-Weinberg principle8 questions
- L48 · Selection, drift and speciation7 questions
- L49 · Populations in ecosystems and sampling9 questions
- L50 · Succession and conservation7 questions
3.8 Control of gene expression
Paper 2 and Paper 3
- L51 · Gene mutations7 questions
- L52 · Totipotency and stem cells7 questions
- L53 · Transcription factors, epigenetics and RNA interference7 questions
- L54 · Gene expression and cancer7 questions
- L55 · Genome projects7 questions
- L56 · Making and cloning DNA fragments8 questions
- L57 · DNA probes, screening and personalised medicine7 questions
- L58 · Genetic fingerprinting7 questions
Synoptic essay and data workshop
Paper 3 · 78 marks in 2 hours, including the 25-mark essay