1.1 Biological Molecules- Carbohydrates (Part 1)

1.1 Biological Molecules- Carbohydrates (Part 2)

1.1 Biological Molecules- Carbohydrates (Part 3)

1.1 Biological Molecules- Carbohydrates (Part 4)

1.1.2 Biological Molecules- Reactions

1.1.2 Biological Molecules- Reactions – Exam questions

1.1.4 Glucose

1.1.4 Glucose – Exam questions

1.1.6 Chromatography- Monosaccharides

1.1.6 Chromatography- Monosaccharides – Unit exam questions

1.1.10 Biochemical Tests- Sugars and Starch

1.1.10 Biochemical Tests- Sugars and Starch – Unit exam questions

1.1.11 Finding the Concentration of Glucose

1.1.11 Finding the Concentration of Glucose – Exam questions

1.2 Biological Molecules- Lipids

1.2.1 Lipids

1.2.1 Lipids – Exam questions

1.2.3 Biochemical Tests- Lipids

1.2.3 Biochemical Tests- Lipids – Unit exam questions

1.2.5 Monosaccharides

1.2.5 Monosaccharides – Exam questions

1.2.7 Disaccharides

1.2.7 Disaccharides – Unit exam questions

1.3 Biological Molecules- Proteins (Part 1)

1.3 Biological Molecules- Proteins (Part 2)

1.3.2 Chromatography- Amino Acids

1.3.2 Chromatography- Amino Acids – Exam questions

1.3.3 Protein Structure and Function

1.3.3 Protein Structure and Function – Exam questions

1.3.4 Protein Interactions

1.3.4 Protein Interactions – Unit exam questions

1.3.5 Biochemical Tests- Proteins

1.3.5 Biochemical Tests- Proteins – Unit exam questions

1.4 Proteins- Enzymes (Part 1)

1.4 Proteins- Enzymes (Part 2)

1.4 Proteins- Enzymes (Part 3)

1.4 Proteins- Enzymes (Part 4)

1.4.1 Many Proteins are Enzymes

1.4.1 Many Proteins are Enzymes – Exam questions

1.4.2 Enzyme Specificity

1.4.2 Enzyme Specificity – Exam questions

1.4.4 Required Practical- Measuring Enzyme Activity

1.4.4 Required Practical- Measuring Enzyme Activity – Exam questions

1.4.5 Drawing a Graph for Enzyme Rate Experiments

1.4.5 Drawing a Graph for Enzyme Rate Experiments – Unit exam questions

1.4.6 Using a Tangent to Find Initial Rate of Reaction

1.4.6 Using a Tangent to Find Initial Rate of Reaction – Unit exam questions

1.4.7 Limiting Factors Affecting Enzymes- Temperature

1.4.7 Limiting Factors Affecting Enzymes- Temperature – Exam questions

1.4.8 Limiting Factors Affecting Enzymes- pH

1.4.8 Limiting Factors Affecting Enzymes- pH – Unit exam questions

1.4.9 Limiting Factors Affecting Enzymes- Enzyme Concentration

1.4.9 Limiting Factors Affecting Enzymes- Enzyme Concentration – Unit exam questions

1.4.10 Limiting Factors Affecting Enzymes- Substrate Concentration

1.4.10 Limiting Factors Affecting Enzymes- Substrate Concentration – Exam questions

1.4.11 Limiting Factors Affecting Enzymes- Inhibitors

1.4.11 Limiting Factors Affecting Enzymes- Inhibitors – Exam questions

1.4.12 Control of Variables and Uncertainty

1.4.12 Control of Variables and Uncertainty – Unit exam questions

1.5 Nucleic Acids- Structure and DNA Replication (Part 1)

1.5 Nucleic Acids- Structure and DNA Replication (Part 2)

1.5 Nucleic Acids- Structure and DNA Replication (Part 3)

1.5.1 Nucleotide Structure and the Phosphodiester Bond

1.5.1 Nucleotide Structure and the Phosphodiester Bond – Unit exam questions

1.5.2 DNA- Structure and Function

1.5.2 DNA- Structure and Function – Exam questions

1.5.3 RNA- Structure and Function

1.5.3 RNA- Structure and Function – Exam questions

1.5.4 Ribosomes

1.5.4 Ribosomes – Exam questions

1.5.5 The Origins of Research on the Genetic Code

1.5.5 The Origins of Research on the Genetic Code – Unit exam questions

1.5.6 The Process of Semi-Conservative Replication

1.5.6 The Process of Semi-Conservative Replication – Exam questions

1.5.7 Calculating the Frequency of Nucleotide Bases

1.5.7 Calculating the Frequency of Nucleotide Bases – Unit exam questions

1.5.8 The Watson Crick Model

1.5.8 The Watson Crick Model – Exam questions

1.6 ATP, Water and Inorganic Ions (Part 1)

1.6 ATP, Water and Inorganic Ions (Part 2)

1.6.1 The Structure of ATP

1.6.1 The Structure of ATP – Exam questions

1.6.2 Hydrolysis and Synthesis of ATP

1.6.2 Hydrolysis and Synthesis of ATP – Unit exam questions

1.6.3 The Properties of Water

1.6.3 The Properties of Water – Exam questions

1.6.4 Inorganic Ions

1.6.4 Inorganic Ions – Exam questions

2.2.1 Biological Molecules- Key Terms

2.2.1 Biological Molecules- Key Terms – Exam questions

2.2.4 The Glycosidic Bond

2.2.4 The Glycosidic Bond – Unit exam questions

2.2.5 Starch and Glycogen

2.2.5 Starch and Glycogen – Unit exam questions

2.2.6 Cellulose

2.2.6 Cellulose – Exam questions

2.2.8 Phospholipids

2.2.8 Phospholipids – Exam questions

2.3.1 Amino Acids and the Peptide Bond

2.3.1 Amino Acids and the Peptide Bond – Exam questions

3.1.3 How Enzymes Work

3.1.3 How Enzymes Work – Exam questions

2. Cell Structure

1.1.2 Magnification Calculations

1.1.2 Magnification Calculations – Unit exam questions

1.2.4 Prokaryotic v Eukaryotic Cells

1.2.4 Prokaryotic v Eukaryotic Cells – Exam questions

1.2.5 Viruses

1.2.5 Viruses – Exam questions

2.1 Cell Structure (Part 1)

2.1 Cell Structure (Part 2)

2.1.1 The Cell Theory

2.1.1 The Cell Theory – Exam questions

2.1.2 Structure of Eukaryotic Cells

2.1.2 Structure of Eukaryotic Cells – Exam questions

2.1.3 Specialisation of Eukaryotic Cells

2.1.3 Specialisation of Eukaryotic Cells – Exam questions

2.1.4 Eukaryotic Cell Organisation

2.1.4 Eukaryotic Cell Organisation – Exam questions

2.1.5 Structure of Prokaryotic Cells

2.1.5 Structure of Prokaryotic Cells – Exam questions

2.2 The Microscope in Cell Studies (Part 1)

2.2 The Microscope in Cell Studies (Part 2)

2.2.1 Methods of studying cells

2.2.1 Methods of studying cells – Unit exam questions

2.2.2 Microscopy and Drawing Scientific Diagrams

2.2.2 Microscopy and Drawing Scientific Diagrams – Unit exam questions

2.2.4 Cell Fractionation and Ultracentrifugation

2.2.4 Cell Fractionation and Ultracentrifugation – Exam questions

2.3 Cell Division in Eukaryotic and Prokaryotic Cells (Part 1)

2.3 Cell Division in Eukaryotic and Prokaryotic Cells (Part 2)

2.3 Cell Division in Eukaryotic and Prokaryotic Cells (Part 3)

2.3.1 The Cell Cycle and Interphase

2.3.1 The Cell Cycle and Interphase – Exam questions

2.3.3 Cytokinesis

2.3.3 Cytokinesis – Exam questions

2.3.4 Required Practical- Identifying Mitotic Stages

2.3.4 Required Practical- Identifying Mitotic Stages – Unit exam questions

2.3.5 Investigating Plant Root Tips

2.3.5 Investigating Plant Root Tips – Exam questions

2.3.6 Uncontrolled Cell Division and Cancer

2.3.6 Uncontrolled Cell Division and Cancer – Exam questions

2.3.7 Binary Fission

2.3.7 Binary Fission – Exam questions

2.3.8 Viral Particle Replication

2.3.8 Viral Particle Replication – Unit exam questions

2.4 Cell Membranes and Transport (Part 1)

2.4 Cell Membranes and Transport (Part 2)

2.4 Cell Membranes and Transport (Part 3)

2.4 Cell Membranes and Transport (Part 4)

2.4.1 The Structure of Cell Membranes

2.4.1 The Structure of Cell Membranes – Exam questions

2.4.4 Required Practical- Investigating Water Potential

2.4.4 Required Practical- Investigating Water Potential – Exam questions

2.4.5 Osmosis in Animal Cells

2.4.5 Osmosis in Animal Cells – Exam questions

2.4.5 Active Transport and Co-transport

2.4.5 Active Transport and Co-transport – Exam questions

2.4.6 Adaptations for Rapid Transport

2.4.6 Adaptations for Rapid Transport – Unit exam questions

2.4.7 Required Practical- Factors Affecting Membrane Fluidity

2.4.7 Required Practical- Factors Affecting Membrane Fluidity – Exam questions

2.5 Cell Recognition and the Immune System (Part 1)

2.5 Cell Recognition and the Immune System (Part 2)

2.5.1 Cell Recognition

2.5.1 Cell Recognition – Unit exam questions

2.5.3 Phagocytosis

2.5.3 Phagocytosis – Exam questions

2.5.4 The T Lymphocyte Response

2.5.4 The T Lymphocyte Response – Unit exam questions

2.5.5 The B lymphocyte Response

2.5.5 The B lymphocyte Response – Unit exam questions

2.5.7 Plasma and Memory Cells

2.5.7 Plasma and Memory Cells – Exam questions

2.6 Vaccines, Disease and Monoclonal Antibodies (Part 1)

2.6 Vaccines, Disease and Monoclonal Antibodies (Part 2)

2.6.1 Vaccines

2.6.1 Vaccines – Exam questions

2.6.2 Active and Passive Immunity

2.6.2 Active and Passive Immunity – Exam questions

2.6.3 HIV

2.6.3 HIV – Exam questions

2.6.4 Monoclonal Antibodies

2.6.4 Monoclonal Antibodies – Exam questions

2.6.5 Ethical Issues with Vaccines and Monoclonal Antibodies

2.6.5 Ethical Issues with Vaccines and Monoclonal Antibodies – Unit exam questions

2.6.6 ELISA

2.6.6 ELISA – Unit exam questions

4.2.1 Diffusion

4.2.1 Diffusion – Exam questions

4.2.2 Osmosis

4.2.2 Osmosis – Exam questions

5.2.1 The Stages of Mitosis

11.1.2 Antigens

11.1.2 Antigens – Exam questions

11.2.1 Antibodies

11.2.1 Antibodies – Exam questions

4. Genetics, Variation and Interdependence

2.3.2 Translation

2.3.2 Translation – Exam questions

4.1 DNA, Genes and Chromosomes

4.1.1 Prokaryotic DNA

4.1.1 Prokaryotic DNA – Unit exam questions

4.1.2 Eukaryotic DNA

4.1.2 Eukaryotic DNA – Unit exam questions

4.1.3 Mitochondria and Chloroplast DNA

4.1.3 Mitochondria and Chloroplast DNA – Exam questions

4.1.4 Genes

4.1.4 Genes – Exam questions

4.1.5 Genetic Loci

4.1.5 Genetic Loci – Exam questions

4.1.6 The Triplet Code

4.1.6 The Triplet Code – Exam questions

4.1.7 Non-Coding DNA

4.1.7 Non-Coding DNA – Exam questions

4.2 DNA and Protein Synthesis (Part 1)

4.2 DNA and Protein Synthesis (Part 2)

4.2.1 The Genome

4.2.1 The Genome – Exam questions

4.2.4 Eukaryotic and Prokaryotic Transcription

4.2.4 Eukaryotic and Prokaryotic Transcription – Exam questions

4.2.6 Nucleic Acid and Amino Acid Sequence Comparison

4.2.6 Nucleic Acid and Amino Acid Sequence Comparison – Exam questions

4.3 Genetic Diversity- Mutations and Meiosis (Part 1)

4.3 Genetic Diversity- Mutations and Meiosis (Part 2)

4.3 Genetic Diversity- Mutations and Meiosis (Part 3)

4.3.1 Genetic Mutations

4.3.1 Genetic Mutations – Exam questions

4.3.2 Mutations in Chromosome Number

4.3.2 Mutations in Chromosome Number – Exam questions

4.3.3 Meiosis

4.3.3 Meiosis – Exam questions

4.3.6 Meiosis Under a Microscope

4.3.6 Meiosis Under a Microscope – Unit exam questions

4.3.7 Comparing Meiosis and Mitosis

4.3.7 Comparing Meiosis and Mitosis – Exam questions

4.4 Genetic Diversity and Adaptation (Part 1)

4.4 Genetic Diversity and Adaptation (Part 2)

4.4 Genetic Diversity and Adaptation (Part 3)

4.4.1 Genetic Diversity

4.4.1 Genetic Diversity – Exam questions

4.4.2 Using Logarithms When Investigating Bacteria

4.4.2 Using Logarithms When Investigating Bacteria – Exam questions

4.4.4 Directional and Stabilising Selection

4.4.4 Directional and Stabilising Selection – Exam questions

4.4.5 Environmental Adaption

4.4.5 Environmental Adaption – Exam questions

4.4.6 Required Practical- Aseptic Techniques

4.4.6 Required Practical- Aseptic Techniques – Exam questions

4.5 Species and Taxonomy (Part 1)

4.5 Species and Taxonomy (Part 2)

4.5.1 Courtship

4.5.1 Courtship – Unit exam questions

4.5.2 Phylogenetic Classification

4.5.2 Phylogenetic Classification – Unit exam questions

4.5.3 Hierarchy of the Taxa

4.5.3 Hierarchy of the Taxa – Unit exam questions

4.5.4 Evolutionary Relationships

4.5.4 Evolutionary Relationships – Unit exam questions

4.6 Biodiversity (Part 1)

4.6 Biodiversity (Part 2)

4.6 Biodiversity (Part 3)

4.6 Biodiversity (Part 4)

4.6.1 Biodiversity Within a Community

4.6.1 Biodiversity Within a Community – Exam questions

4.6.2 Species Richness

4.6.2 Species Richness – Exam questions

4.6.3 Index of Diversity

4.6.3 Index of Diversity – Exam questions

4.6.4 Conservation and Farming

4.6.4 Conservation and Farming – Unit exam questions

4.6.5 Investigating Diversity

4.6.5 Investigating Diversity – Exam questions

4.6.7 Mean and Standard Deviation

4.6.7 Mean and Standard Deviation – Unit exam questions

4.6.8 Quantitative Investigations of Variation

4.6.8 Quantitative Investigations of Variation – Unit exam questions

4.6.9 Genetic Relationships Between Organisms

4.6.9 Genetic Relationships Between Organisms – Exam questions

6.1.4 The Structure of RNA

6.1.4 The Structure of RNA – Exam questions

6.2.4 Transcription

6.2.4 Transcription – Exam questions

16.1.3 Meiosis in Animal and Plant Cells

16.1.3 Meiosis in Animal and Plant Cells – Exam questions

16.1.5 Meiosis- Sources of Genetic Variation

16.1.5 Meiosis- Sources of Genetic Variation – Exam questions

17.2.1 Natural Selection

17.2.1 Natural Selection – Exam questions

18.2.3 Random Sampling

18.2.3 Random Sampling – Unit exam questions

5.1 Photosynthesis (A Level only) (Part 1)

5.1 Photosynthesis (A Level only) (Part 2)

5.1 Photosynthesis (A Level only) (Part 3)

5.1 Photosynthesis (A Level only) (Part 4)

5.1.1 The Light-Dependent Reaction

5.1.1 The Light-Dependent Reaction – Exam questions

5.1.2 Required practical- Investigating Photosynthetic Pigments with Chromatogra

5.1.2 Required practical- Investigating Photosynthetic Pigments with Chromatogra – Unit exam questions

5.1.3 The Light-Independent Reaction

5.1.3 The Light-Independent Reaction – Exam questions

5.1.5 Required Practical- Investigating the Rate of Photosynthesis

5.1.5 Required Practical- Investigating the Rate of Photosynthesis – Exam questions

5.2 Respiration (A Level only) (Part 1)

5.2 Respiration (A Level only) (Part 2)

5.2.1 Respiration and Energy

5.2.1 Respiration and Energy – Exam questions

5.2.2 The Stages of Aerobic Respiration

5.2.2 The Stages of Aerobic Respiration – Exam questions

5.2.4 The Link Reaction

5.2.4 The Link Reaction – Exam questions

5.2.5 The Krebs Cycle

5.2.5 The Krebs Cycle – Exam questions

5.2.8 Required Practical- Investigating Respiration Rate

5.2.8 Required Practical- Investigating Respiration Rate – Exam questions

5.3 Energy and Ecosystems (A Level only) (Part 1)

5.3 Energy and Ecosystems (A Level only) (Part 2)

5.3 Energy and Ecosystems (A Level only) (Part 3)

5.3.1 Primary Producers

5.3.1 Primary Producers – Unit exam questions

5.3.2 Photosynthetic Products

5.3.2 Photosynthetic Products – Unit exam questions

5.3.3 Biomass

5.3.3 Biomass – Exam questions

5.3.4 Gross Primary Production

5.3.4 Gross Primary Production – Exam questions

5.3.5 Net Primary Production

5.3.5 Net Primary Production – Exam questions

5.3.6 Trophic Levels

5.3.6 Trophic Levels – Exam questions

5.3.7 Primary and Secondary Productivity

5.3.7 Primary and Secondary Productivity – Exam questions

5.3.8 Calculating Productivity and Efficiency

5.3.8 Calculating Productivity and Efficiency – Unit exam questions

5.3.9 Farming and Production

5.3.9 Farming and Production – Unit exam questions

5.4 Nutrient Cycles (A Level only) (Part 1)

5.4 Nutrient Cycles (A Level only) (Part 2)

5.4.1 Nutrient Cycles

5.4.1 Nutrient Cycles – Exam questions

5.4.2 Investigating Minerals and Plant Growth

5.4.2 Investigating Minerals and Plant Growth – Exam questions

5.4.3 Microorganisms and Recycling Minerals

5.4.3 Microorganisms and Recycling Minerals – Unit exam questions

5.4.4 Fertilisers

5.4.4 Fertilisers – Exam questions

7.2.3 Glycolysis

7.2.3 Glycolysis – Exam questions

7.2.5 Oxidative Phosphorylation

7.2.5 Oxidative Phosphorylation – Exam questions

12.2.8 Anaerobic Respiration

12.2.8 Anaerobic Respiration – Exam questions

13.2.1 Limiting Factors of Photosynthesis

13.2.1 Limiting Factors of Photosynthesis – Exam questions

6. Organisms Respond to Changes in their Environments (A Level only)

6.1 Response to Stimuli (A Level only) (Part 1)

6.1 Response to Stimuli (A Level only) (Part 2)

6.1 Response to Stimuli (A Level only) (Part 3)

6.1 Response to Stimuli (A Level only) (Part 4)

6.1 Response to Stimuli (A Level only) (Part 5)

6.1.1 Survival and Response

6.1.1 Survival and Response – Unit exam questions

6.1.2 Growth Factors in Flowering Plants

6.1.2 Growth Factors in Flowering Plants – Exam questions

6.1.3 Indoleacetic Acid (IAA)

6.1.3 Indoleacetic Acid (IAA) – Unit exam questions

6.1.4 Taxes and Kineses

6.1.4 Taxes and Kineses – Unit exam questions

6.1.5 Reflex Arcs

6.1.5 Reflex Arcs – Unit exam questions

6.1.6 Required Practical- Investigating Animal Movement

6.1.6 Required Practical- Investigating Animal Movement – Unit exam questions

6.1.7 The Pacinian Corpuscle

6.1.7 The Pacinian Corpuscle – Unit exam questions

6.1.8 Pacinian Corpuscles- Generator Potential

6.1.8 Pacinian Corpuscles- Generator Potential – Unit exam questions

6.1.9 Investigating Touch and Temperature Receptors

6.1.9 Investigating Touch and Temperature Receptors – Unit exam questions

6.1.10 The Human Retina

6.1.10 The Human Retina – Exam questions

6.1.11 Myogenic Stimulation of the Heart

6.1.11 Myogenic Stimulation of the Heart – Unit exam questions

6.1.12 Heart Rate

6.1.12 Heart Rate – Exam questions

6.2 Nervous Coordination (A Level only) (Part 1)

6.2 Nervous Coordination (A Level only) (Part 2)

6.2 Nervous Coordination (A Level only) (Part 3)

6.2 Nervous Coordination (A Level only) (Part 4)

6.2.1 Motor Neurone Structure

6.2.1 Motor Neurone Structure – Unit exam questions

6.2.2 Resting Potential

6.2.2 Resting Potential – Exam questions

6.2.3 Action Potentials

6.2.3 Action Potentials – Exam questions

6.2.4 Nerve Impulse Transmission

6.2.4 Nerve Impulse Transmission – Exam questions

6.2.5 Speed of Impulse Conduction

6.2.5 Speed of Impulse Conduction – Exam questions

6.2.6 Calculating Maximum Impulse Frequency

6.2.6 Calculating Maximum Impulse Frequency – Unit exam questions

6.2.7 Synapse Structure

6.2.7 Synapse Structure – Exam questions

6.2.8 Synaptic Transmission

6.2.8 Synaptic Transmission – Unit exam questions

6.2.9 Drugs and Synapses

6.2.9 Drugs and Synapses – Exam questions

6.2.10 Neuromuscular Junctions

6.2.10 Neuromuscular Junctions – Unit exam questions

6.3 Skeletal Muscles (A Level only) (Part 1)

6.3 Skeletal Muscles (A Level only) (Part 2)

6.3.1 Antagonistic Muscles

6.3.1 Antagonistic Muscles – Unit exam questions

6.3.2 The Structure of Skeletal Muscle

6.3.2 The Structure of Skeletal Muscle – Exam questions

6.3.3 Skeletal Muscle Under a Microscope

6.3.3 Skeletal Muscle Under a Microscope – Exam questions

6.3.5 Slow and Fast Skeletal Muscles

6.3.5 Slow and Fast Skeletal Muscles – Exam questions

6.3.6 Investigating Muscle Fatigue

6.3.6 Investigating Muscle Fatigue – Unit exam questions

6.4 Homeostasis (A Level only) (Part 1)

6.4 Homeostasis (A Level only) (Part 2)

6.4 Homeostasis (A Level only) (Part 3)

6.4 Homeostasis (A Level only) (Part 4)

6.4.1 Principles of Homeostasis

6.4.1 Principles of Homeostasis – Unit exam questions

6.4.2 Negative Feedback

6.4.2 Negative Feedback – Exam questions

6.4.3 Glucose Concentration and Insulin

6.4.3 Glucose Concentration and Insulin – Exam questions

6.4.4 Glucose Regulation- Glucagon

6.4.4 Glucose Regulation- Glucagon – Unit exam questions

6.4.5 Glucose Regulation- Adrenaline

6.4.5 Glucose Regulation- Adrenaline – Unit exam questions

6.4.6 Glucose Regulation- the Liver

6.4.6 Glucose Regulation- the Liver – Unit exam questions

6.4.7 Diabetes

6.4.7 Diabetes – Exam questions

6.4.8 Required Practical- Determining the Concentration of Glucose in Urine

6.4.8 Required Practical- Determining the Concentration of Glucose in Urine – Exam questions

6.4.10 Nephron Function

6.4.10 Nephron Function – Unit exam questions

6.4.11 Control of Blood Water Potential

6.4.11 Control of Blood Water Potential – Exam questions

7.1.3 Muscle Contraction

7.1.3 Muscle Contraction – Exam questions

14.1.4 Nephron Structure

7. Genetics, Populations, Evolution and Ecosystems (A Level only)

7.1 Inheritance (A Level only) (Part 1)

7.1 Inheritance (A Level only) (Part 2)

7.1 Inheritance (A Level only) (Part 3)

7.1 Inheritance (A Level only) (Part 4)

7.1.5 Investigating Genetic Ratios

7.1.5 Investigating Genetic Ratios – Exam questions

7.1.6 The Chi-squared Test

7.1.6 The Chi-squared Test – Exam questions

7.2 Populations (A Level only) (Part 1)

7.2 Populations (A Level only) (Part 2)

7.2.1 Populations

7.2.1 Populations – Exam questions

7.2.2 Gene Pools and Allele Frequency

7.2.2 Gene Pools and Allele Frequency – Unit exam questions

7.2.3 Hardy-Weinberg

7.2.3 Hardy-Weinberg – Exam questions

7.3 Evolution (A Level only) (Part 1)

7.3 Evolution (A Level only) (Part 2)

7.3 Evolution (A Level only) (Part 3)

7.3.1 Genetic Variation

7.3.1 Genetic Variation – Exam questions

7.3.3 Types of Selection

7.3.3 Types of Selection – Exam questions

7.3.4 Types of Speciation

7.3.4 Types of Speciation – Exam questions

7.3.5 Investigating Allele Frequencies

7.3.5 Investigating Allele Frequencies – Exam questions

7.4 Populations in Ecosystems (A Level only) (Part 1)

7.4 Populations in Ecosystems (A Level only) (Part 2)

7.4 Populations in Ecosystems (A Level only) (Part 3)

7.4 Populations in Ecosystems (A Level only) (Part 4)

7.4 Populations in Ecosystems (A Level only) (Part 5)

7.4.1 Ecosystems

7.4.1 Ecosystems – Exam questions

7.4.2 Carrying Capacity

7.4.2 Carrying Capacity – Exam questions

7.4.3 Estimating the Size of a Population

7.4.3 Estimating the Size of a Population – Exam questions

7.4.4 Succession

7.4.4 Succession – Exam questions

7.4.5 Growth Rate of Microorganisms

7.4.5 Growth Rate of Microorganisms – Exam questions

7.4.6 Conservation and Human Need

7.4.6 Conservation and Human Need – Unit exam questions

7.4.7 Required Practical- Investigating Species Distribution

7.4.7 Required Practical- Investigating Species Distribution – Unit exam questions

16.2.1 Key Terms in Genetics

16.2.1 Key Terms in Genetics – Exam questions

16.2.2 Predicting Inheritance- Monohybrid Crosses

16.2.2 Predicting Inheritance- Monohybrid Crosses – Exam questions

16.2.3 Predicting Inheritance- Dihybrid Crosses

16.2.3 Predicting Inheritance- Dihybrid Crosses – Exam questions

16.2.4 Predicting Inheritance- Test Crosses

16.2.4 Predicting Inheritance- Test Crosses – Exam questions

8. The Control of Gene Expression (A Level only)

3.4.1 Stem Cells

3.4.1 Stem Cells – Exam questions

3.4.4 Epigenetics

3.4.4 Epigenetics – Exam questions

3.4.4 Epigenetics – Exam questions

8.1 Genetic Mutations (A Level only)

8.1.2 The Effect of Genetic Mutations

8.1.2 The Effect of Genetic Mutations – Exam questions

8.2 Regulation of Gene Expression (A Level only) (Part 1)

8.2 Regulation of Gene Expression (A Level only) (Part 2)

8.2 Regulation of Gene Expression (A Level only) (Part 3)

8.2 Regulation of Gene Expression (A Level only) (Part 4)

8.2.1 Totipotent Cells

8.2.1 Totipotent Cells – Unit exam questions

8.2.3 The Use of Stem Cells

8.2.3 The Use of Stem Cells – Exam questions

8.2.4 Producing Tissue Cultures of Explants

8.2.4 Producing Tissue Cultures of Explants – Unit exam questions

8.2.5 Regulation of Transcription

8.2.5 Regulation of Transcription – Exam questions

8.2.6 Evaluating Data about Genetic Expression

8.2.6 Evaluating Data about Genetic Expression – Unit exam questions

8.2.8 Epigenetics and Disease

8.2.8 Epigenetics and Disease – Unit exam questions

8.2.9 RNA Interference

8.2.9 RNA Interference – Unit exam questions

8.2.10 Two Types of Tumours

8.2.10 Two Types of Tumours – Unit exam questions

8.2.11 Tumour Development

8.2.11 Tumour Development – Unit exam questions

8.3 Using Genome Projects (A Level only)

8.3.1 Genome Sequencing Projects

8.3.1 Genome Sequencing Projects – Exam questions

8.3.2 Determining Protein Sequences

8.3.2 Determining Protein Sequences – Exam questions

8.3.3 Non-Coding DNA and Regulatory Genes

8.3.3 Non-Coding DNA and Regulatory Genes – Exam questions

8.3.4 Sequencing Methods

8.3.4 Sequencing Methods – Exam questions

8.4 Gene Technologies (A Level only) (Part 1)

8.4 Gene Technologies (A Level only) (Part 2)

8.4 Gene Technologies (A Level only) (Part 3)

8.4 Gene Technologies (A Level only) (Part 4)

8.4 Gene Technologies (A Level only) (Part 5)

8.4 Gene Technologies (A Level only) (Part 6)

8.4.1 Recombinant DNA Technology

8.4.1 Recombinant DNA Technology – Exam questions

8.4.2 Producing Fragments of DNA

8.4.2 Producing Fragments of DNA – Exam questions

8.4.3 Investigating the Specificity of Restriction Enzymes

8.4.3 Investigating the Specificity of Restriction Enzymes – Exam questions

8.4.5 Culture of Transformed Host Cells

8.4.5 Culture of Transformed Host Cells – Exam questions

8.4.6 Uses of Recombinant DNA Technology

8.4.6 Uses of Recombinant DNA Technology – Exam questions

8.4.7 DNA Probes and DNA Hybridisation

8.4.7 DNA Probes and DNA Hybridisation – Unit exam questions

8.4.8 Screening Patients

8.4.8 Screening Patients – Unit exam questions

8.4.9 Genetic Counselling and Personalised Medicine

8.4.9 Genetic Counselling and Personalised Medicine – Exam questions

8.4.10 Variable Number Tandem Repeats

8.4.10 Variable Number Tandem Repeats – Unit exam questions

8.4.12 Genetic Fingerprinting

8.4.12 Genetic Fingerprinting – Unit exam questions

8.4.13 Uses of Genetic Fingerprinting

8.4.13 Uses of Genetic Fingerprinting – Exam questions

19.1.8 Polymerase Chain Reaction

19.1.8 Polymerase Chain Reaction – Unit exam questions

19.1.9 Gel Electrophoresis

19.1.9 Gel Electrophoresis – Exam questions

9. Exam Guidance and Skills

9.1 Essay Guidance (Part 1)

9.1 Essay Guidance (Part 2)

9.1 Essay Guidance (Part 3)

9.1 Essay Guidance (Part 4)

9.1 Essay Guidance (Part 5)

9.1.1 What to expect from the essay question

9.1.1 What to expect from the essay question – Exam questions

9.1.2 How to plan and structure your essay

9.1.2 How to plan and structure your essay – Unit exam questions

9.1.3 Example essays

9.1.3 Example essays – Unit exam questions

9.2 Exam Technique (Part 1)

9.2 Exam Technique (Part 2)

9.2 Exam Technique (Part 3)

9.2 Exam Technique (Part 4)

9.2 Exam Technique (Part 5)

9.2 Exam Technique (Part 6)

9.2 Exam Technique (Part 7)

9.2 Exam Technique (Part 8)

9.2 Exam Technique (Part 9)

9.2 Exam Technique (Part 10)

9.2 Exam Technique (Part 11)

9.2 Exam Technique (Part 12)

9.2.1 Command Words

9.2.1 Command Words – Exam questions

9.2.2 Precision

9.2.2 Precision – Unit exam questions

9.2.3 Application of Knowledge

9.2.3 Application of Knowledge – Unit exam questions

9.2.4 Investigative Skills

9.2.4 Investigative Skills – Unit exam questions

9.2.5 Dealing with Data

9.2.5 Dealing with Data – Exam questions

9.2.6 Questions with Specific Instructions

9.2.6 Questions with Specific Instructions – Unit exam questions

9.2.7 Common Pitfalls

9.2.7 Common Pitfalls – Unit exam questions