Questions by Topic Mark Schemes Section 1: Biological Molecules Monomers & Polymers Monomers & Polymers MS Carbohydrates Carbohydrates MS Lipids Lipids MS Proteins and Enzymes Proteins and Enzymes MS Nucleic Acids - Structure and Replication Nucleic Acids - Structure and Replication MS ATP ATP MS Water Water MS Inorganic Ions Inorganic Ions MS Section 2: Cells Cell Structure / Eukaryotes / Prokaryotes / Methodology Cell Structure / Eukaryotes / Prokaryotes / Methodology MS The Cell Cycle including Mitosis The Cell Cycle including Mitosis MS Transport across cell membranes Transport across cell membranes MS Cell recognition & Immune system Cell recognition & Immune system MS Studying Cells Studying Cells MS Section 3: Organisms & Substance exchange Surface area to volume ratio Surface area to volume ratio MS Gas exchange Gas exchange MS Digestion and absorption Digestion and Absorption MS Mass transport in animals Mass Transport in Animals MS Mass transport in plants Mass Transport in Plants MS Section 4: Genetic Info/Variation/Relationships DNA; Genes; Chromosomes DNA; Genes; Chromosomes MS DNA and Protein Synthesis DNA and Protein Synthesis MS Genetic Diversity via Mutation and Meoisis Genetic Diversity via Mutation and Meoisis MS Genetic Diversity and Adaptation Genetic Diversity and Adaptation MS Species and Taxonomy Species and Taxonomy MS Biodiversity within a Community Biodiversity within a Community MS Investigating Diversity Investigating Diversity MS Section 5: Energy Transfers in & between Organisms Photosynthesis Photosynthesis MS Respiration Respiration MS Energy and Ecosystems Energy and Ecosystems MS Nutrient Cycles Nutrient Cycles MS Section 6: Organisms: Responses to their Environment Stimuli and Response : Survival and Response Stimuli and Response : Survival and Response MS Nervous Coordination : Nerve Impulses Nervous Coordination : Nerve Impulses MS Nervous Coordination : Synaptic Transmission Nervous Coordination : Synaptic Transmission MS Skeletal muscles Skeletal muscles MS Homeostasis : Principles and Negative Feedback Homeostasis : Principles and Negative Feedback MS Homeostasis : Control of Blood Glucose Homeostasis : Control of Blood Glucose MS Homeostasis : Osmoregulation Homeostasis : Osmoregulation MS Section 7: Genetics/Populations/Evolution/Ecosystems Inheritance and Genetic crosses Inheritance and Genetic crosses MS Populations inc. Hardy-Weinberg Populations inc. Hardy-Weinberg MS Evolution & Speciation Evolution & Speciation MS Populations in Ecosystems Populations in Ecosystems MS Section 8: The Control of Gene Expression Gene Mutation Gene Mutation MS Gene Expression : Stem Cells Gene Expression : Stem Cells MS Gene Expression : Regulation of Transcription & Translation Gene Expression : Regulation of Transcription & Translation MS Gene Expression : Gene expression and Cancer Gene Expression : Gene expression and Cancer MS Using Genome Projects (gene sequencing) Using Genome Projects (gene sequencing) MS Gene Technologies : Recombinant DNA Technology Gene Technologies : Recombinant DNA Technology MS Gene Technologies : DNA Probes Gene Technologies : DNA Probes MS Gene Technologies : Genetic Fingerprinting Gene Technologies : Genetic Fingerprinting MS More ResourcesPast PapersAce Your ExamsJoin now