GCSE Biology Revision

Cell theory, prokaryotic and eukaryotic cells, animal and plant cell organelles, bacterial cells, specialized cells, and microscopy

Light and electron microscopes, magnification and resolution calculations, specimen preparation, staining techniques, and practical microscopy skills

Diffusion, osmosis, active transport, factors affecting transport, surface area to volume ratio, and practical investigations

Cell division by mitosis, cell cycle phases, chromosome behavior, cytokinesis differences, stem cells, cancer, and practical investigations

Stem cell types, differentiation processes, therapeutic applications, embryonic vs adult stem cells, and ethical considerations

Cancer development, cell cycle control mechanisms, tumor formation, risk factors, prevention methods, and treatment approaches

Comprehensive practical skills, experimental design, data analysis, microscopy techniques, and scientific methodology in cell biology

Organizational hierarchy from cells to organ systems, tissue types in plants and animals, structure-function relationships, and system interactions

Structure and function of digestive organs, mechanical and chemical digestion, enzymes, absorption, and practical investigations

Enzyme structure and function, digestive enzymes, factors affecting enzyme activity, lock and key model, and practical investigations

Heart structure, cardiac cycle, blood vessels, double circulation, heart rate control, and cardiovascular health

Blood composition, red and white blood cells, platelets, plasma, blood vessel structure and function, adaptations for transport

Lung structure, alveoli adaptations, breathing mechanism, gas transport in blood, and effects of smoking

Xylem and phloem structure, water and sugar transport, root hair adaptations, translocation, and practical investigations

Transpiration process, stomatal control, factors affecting rate, plant adaptations, measuring transpiration, and practical investigations

Topic 1: Photosynthesis

Topic 2: Respiration

Topic 1: Ecosystems Communities

Topic 2: Competition Adaptations

Topic 3: Carbon Cycle

Topic 4: Decomposition

Types of pathogens, how diseases spread, transmission methods, and prevention strategies

Physical and chemical barriers, white blood cell responses, inflammatory response

Specific immune responses, antibody production, lymphocytes, memory cells

How vaccines work, types of vaccines, population immunity, vaccination programs

Antibiotic function, bacterial resistance evolution, responsible use, global health impact

Production and medical applications of identical antibodies, hybridoma cells, diagnostics

Plant pathogens, defense mechanisms, disease identification, crop protection

Topic 1: Homeostasis Intro

Topic 2: Nervous System

Topic 3: Reflex Arc

Topic 4: Human Endocrine System

Topic 5: Temperature Regulation

Topic 6: Glucose Regulation

Topic 7: Water Regulation

Topic 8: Hormones & Behaviour

Topic 9: Contraception

Topic 10: Fertility Treatment

Topic 11: Plant Hormones

DNA structure, function, and the human genome

Genetic inheritance patterns, alleles, and inheritance diagrams

Genetic disorders, family pedigrees, and probability calculations

Sex chromosomes and sex determination mechanisms

Genetic and environmental variation in organisms

Theory of evolution, natural selection, and evidence for evolution

Artificial selection and selective breeding techniques

Genetic modification, gene therapy, and biotechnology applications

Cloning techniques, applications, and ethical considerations

Classification systems, taxonomy, and evolutionary relationships