1 · Cell Structure

1.1 The Microscope in Cell Studies

1.1 The Microscope in Cell Studies (Part 2)

1.1 The Microscope in Cell Studies - Check yourself

1.1.2 Magnification Calculations

1.1.2 Magnification Calculations – Unit exam questions

1.1.3 Eyepiece Graticules and Stage Micrometers

1.1.4 Resolution and Magnification

1.1.4 Resolution and Magnification – Unit exam questions

1.1.5 Calculating Actual Size

1.1.5 Calculating Actual Size – Exam questions

1.2 Cells as the Basic Units of Living Organisms

1.2 Cells as the Basic Units of Living Organisms – Unit exam questions

1.2.1 Eukaryotic Cell Structures and Functions

1.2.1 Eukaryotic Cell Structures and Functions – Exam questions

1.2.2 Animal and Plant Cells

1.2.2 Animal and Plant Cells – Exam questions

1.2.3 The Vital Role of ATP

1.2.3 The Vital Role of ATP – 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

Cambridge A Level Biology — Full F-drive source: 1 · Cell Structure

Unit 1 · Cell Structure - Unit review

AS Biology Unit 1 - Assignment: Cell Structure

2 · Biological Molecules

2.1 Water

2.1 Water - Check yourself

2.1.1 Biological Molecule Tests

2.1.1 Biological Molecule Tests – Exam questions

2.1.2 The Benedict's Test

2.1.2 The Benedict's Test – Exam questions

2.1.3 Testing for Non-Reducing Sugars

2.1.3 Testing for Non-Reducing Sugars – Exam questions

2.2 Carbohydrates & Lipids

2.2 Carbohydrates & Lipids - Check yourself

2.2.1 Biological Molecules- Key Terms

2.2.1 Biological Molecules- Key Terms – Exam questions

2.2.2 Covalent Bonds in Polymers

2.2.2 Covalent Bonds in Polymers – Exam questions

2.2.3 Reducing and Non-Reducing Sugars

2.2.3 Reducing and Non-Reducing Sugars – 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

2.2.7 Triglycerides

2.2.7 Triglycerides – Exam questions

2.2.8 Phospholipids

2.2.8 Phospholipids – Exam questions

2.3 Proteins

2.3 Proteins (Part 2)

2.3 Proteins (Part 3)

2.3 Proteins - Check yourself

2.3.1 Amino Acids and the Peptide Bond

2.3.1 Amino Acids and the Peptide Bond – Exam questions

2.3.2 The Four Levels of Protein Structure

2.3.2 The Four Levels of Protein Structure – Unit exam questions

2.3.3 Protein Shape

2.3.3 Protein Shape – Unit exam questions

2.3.4 Globular and Fibrous Proteins

2.3.4 Globular and Fibrous Proteins – Unit exam questions

2.3.5 Haemoglobin

2.3.5 Haemoglobin – Exam questions

2.3.6 Collagen

2.3.6 Collagen – Exam questions

2.4 Testing for Biological Molecules

2.4.1 Water and the Hydrogen Bond

2.4.1 Water and the Hydrogen Bond – Exam questions

Cambridge A Level Biology — Full F-drive source: 2 · Biological Molecules

2.4.2 The Role of Water in Living Organisms

2.4.2 The Role of Water in Living Organisms – Unit exam questions

Unit 2 · Biological Molecules - Unit review

AS Biology Unit 2 - Assignment: Biological Molecules

3 · Enzymes

3.1 Mode of Action of Enzymes

3.1 Mode of Action of Enzymes - Check yourself

3.1.1 Enzymes

3.1.2 Enzyme Action

3.1.2 Enzyme Action – Exam questions

AS BIOLOGY 3.2.1 — Past papers

3.1.3 How Enzymes Work

3.1.3 How Enzymes Work – Exam questions

3.1.4 Measuring Enzyme Activity

3.1.4 Measuring Enzyme Activity – Exam questions

3.1.5 Colorimetry

3.2 Factors that Affect Enzyme Action

3.2.1 Rate- Temperature

3.2.2 Rate- pH

3.2.2 Rate- pH – Exam questions

3.2.3 Rate- Enzyme Concentration

3.2.3 Rate- Enzyme Concentration – Exam questions

3.2.4 Rate- Substrate Concentration

3.2.4 Rate- Substrate Concentration – Exam questions

3.2.5 Rate- Inhibitor Concentration

3.2.6 Vmax and the Michaelis-Menten Constant

3.2.6 Vmax and the Michaelis-Menten Constant – Unit exam questions

3.2.7 Enzyme Inhibitors

3.2.7 Enzyme Inhibitors – Exam questions

3.2.8 Enzyme Activity- Immobilised v Free

Cambridge A Level Biology — Full F-drive source: 3 · Enzymes

Unit 3 · Enzymes - Unit review

AS Biology Unit 3 - Assignment: Enzymes

4 · Cell Membranes and Transport

4.1 Fluid Mosaic Membranes

4.1 Fluid Mosaic Membranes - Check yourself

4.1.1 The Fluid Mosaic Model

4.1.2 Components of Cell Surface Membranes

4.1.3 The Cell Surface Membrane

4.1.3 The Cell Surface Membrane – Exam questions

4.1.4 Cell Signalling

4.1.4 Cell Signalling – Exam questions

4.2 Movement into & out of Cells

4.2 Movement into & out of Cells (Part 2)

4.2 Movement into & out of Cells (Part 3)

4.2 Movement into & out of Cells (Part 4)

4.2 Movement into & out of Cells – Exam questions

4.2.1 Diffusion

4.2.1 Diffusion – Exam questions

4.2.2 Osmosis

4.2.2 Osmosis – Exam questions

4.2.3 Active Transport

4.2.3 Active Transport – Exam questions

4.2.4 Endocytosis and Exocytosis

4.2.4 Endocytosis and Exocytosis – Unit exam questions

4.2.5 Investigating Transport Processes in Plants

4.2.5 Investigating Transport Processes in Plants – Exam questions

4.2.6 Investigating Diffusion

4.2.6 Investigating Diffusion – Exam questions

4.2.7 Surface Area to Volume Ratios

4.2.7 Surface Area to Volume Ratios – Exam questions

4.2.8 Investigating Surface Area

4.2.8 Investigating Surface Area – Exam questions

4.2.9 Estimating Water Potential in Plants

4.2.9 Estimating Water Potential in Plants – Unit exam questions

4.2.10 Osmosis in Plant Cells

4.2.10 Osmosis in Plant Cells – Exam questions

4.2.11 Osmosis in Animals

4.2.11 Osmosis in Animals – Unit exam questions

Cambridge A Level Biology — Full F-drive source: 4 · Cell Membranes and Transport

4.2.12 Comparing Osmosis in Plants and Animals

4.2.12 Comparing Osmosis in Plants and Animals – Exam questions

Unit 4 · Cell Membranes and Transport - Unit review

AS Biology Unit 4 - Assignment: Cell Membranes and Transport

6 · Nucleic Acids and Protein Synthesis

6.1 Structure of Nucleic Acids & Replication of DNA

6.1 Structure of Nucleic Acids & Replication of DNA - Check yourself

6.1.1 Nucleotides

6.1.1 Nucleotides – Exam questions

6.1.2 The Structure of DNA

6.1.3 Semi-Conservative DNA Replication

6.1.4 The Structure of RNA

6.1.4 The Structure of RNA – Exam questions

6.2 Protein Synthesis

6.2.1 From Gene to Polypeptide

6.2.1 From Gene to Polypeptide – Unit exam questions

6.2.2 The Universal Genetic Code

6.2.2 The Universal Genetic Code – Exam questions

6.2.3 Constructing Polypeptides

6.2.4 Transcription

6.2.4 Transcription – Exam questions

6.2.5 Gene Mutations

6.2.5 Gene Mutations – Exam questions

Cambridge A Level Biology — Full F-drive source: 6 · Nucleic Acids and Protein Synthesis

Unit 6 · Nucleic Acids and Protein Synthesis - Unit review

AS Biology Unit 6 - Assignment: Nucleic Acids and Protein Synthesis

7 · Transport in Plants

7.1 Structure of Transport Tissues

7.1 Structure of Transport Tissues - Check yourself

7.1.1 Plant Transverse Sections

7.1.1 Plant Transverse Sections – Unit exam questions

7.1.2 Xylem and Phloem Distribution

7.1.2 Xylem and Phloem Distribution – Exam questions

7.1.3 Xylem Vessels Elements

7.1.4 Phloem Sieve Tube Elements

7.2 Transport Mechanisms

7.2 Transport Mechanisms (Part 2)

7.2 Transport Mechanisms (Part 3)

7.2 Transport Mechanisms – Exam questions

7.2.1 Water and Mineral Ion Transport in Plants

7.2.2 Transpiration in Plants

7.2.2 Transpiration in Plants – Exam questions

7.2.3 Water and the Transpiration Pull

7.2.3 Water and the Transpiration Pull – Exam questions

7.2.4 Xerophytic Plant Leaf Adaptations

7.2.4 Xerophytic Plant Leaf Adaptations – Exam questions

7.2.5 Movement in the Phloem

7.2.5 Movement in the Phloem – Unit exam questions

7.2.6 The Sucrose Loading Mechanism

Cambridge A Level Biology — Full F-drive source: 7 · Transport in Plants

7.2.7 Phloem- Mass Flow

7.2.7 Phloem- Mass Flow – Unit exam questions

Unit 7 · Transport in Plants - Unit review

AS Biology Unit 7 - Assignment: Transport in Plants

8 · Transport in Mammals

8.1 The Circulatory System

8.1 The Circulatory System - Check yourself

8.1.1 Circulatory Systems

8.1.1 Circulatory Systems – Exam questions

8.1.2 The Main Blood Vessels

8.1.2 The Main Blood Vessels – Exam questions

8.1.3 Observing and Drawing Blood Vessels

8.1.3 Observing and Drawing Blood Vessels – Exam questions

8.1.4 Blood Vessels- Structures and Functions

8.1.4 Blood Vessels- Structures and Functions – Exam questions

8.1.5 Cells of the Blood

8.1.5 Cells of the Blood – Exam questions

8.1.6 The Role of Water in Circulation

8.1.7 Blood and Tissue Fluid

8.1.7 Blood and Tissue Fluid – Exam questions

8.2 Transport of Oxygen & Carbon Dioxide

8.2 Transport of Oxygen & Carbon Dioxide - Check yourself

8.2.1 Red Blood Cells, Haemoglobin and Oxygen

8.2.1 Red Blood Cells, Haemoglobin and Oxygen – Exam questions

8.2.2 The Chloride Shift

8.2.2 The Chloride Shift – Unit exam questions

8.2.3 Plasma and Carbon Dioxide

8.2.4 The Oxygen Dissociation Curve

8.2.4 The Oxygen Dissociation Curve – Exam questions

8.2.5 The Bohr Shift

8.2.5 The Bohr Shift – Unit exam questions

8.3 The Heart

8.3 The Heart – Exam questions

8.3.1 Structure of the Heart

8.3.1 Structure of the Heart – Exam questions

8.3.2 The Walls of the Heart

8.3.2 The Walls of the Heart – Unit exam questions

8.3.3 The Cardiac Cycle

8.3.3 The Cardiac Cycle – Unit exam questions

8.3.4 Heart Action

Cambridge A Level Biology — Full F-drive source: 8 · Transport in Mammals

Unit 8 · Transport in Mammals - Unit review

AS Biology Unit 8 - Assignment: Transport in Mammals

9 · Gas Exchange

9.1 The Gas Exchange System

9.1 The Gas Exchange System (Part 2)

9.1.1 The Human Gas Exchange System

9.1.1 The Human Gas Exchange System – Exam questions

9.1.2 Distribution of Tissues

9.1.3 Recognising Tissues

9.1.4 Recognising Structures

9.1.5 Structures and Functions of the Gas Exchange System

Cambridge A Level Biology — Full F-drive source: 9 · Gas Exchange

9.1.6 Gas Exchange Processes

Unit 9 · Gas Exchange - Unit review

AS Biology Unit 9 - Assignment: Gas Exchange

10-11 · Infectious Disease and Immunity

10.1 Infectious Diseases

10.1 Infectious Diseases - Check yourself

10.1.2 Transmission of Disease

10.1.2 Transmission of Disease – Unit exam questions

10.1.3 Prevention and Control of Disease

10.1.3 Prevention and Control of Disease – Exam questions

10.2 Antibiotics

10.2 Antibiotics - Check yourself

10.2.1 Penicillin

10.2.1 Penicillin – Exam questions

10.2.2 Antibiotic Resistance

10.2.3 Consequences of Antibiotic Resistance

10.2.3 Consequences of Antibiotic Resistance – Exam questions

10.3 The Immune System

The Immune System - Check yourself

10.4 Antibodies & Vaccination

10.4 Antibodies & Vaccination (Part 2)

10.4 Antibodies & Vaccination – Unit exam questions

11.1.1 Phagocytes

11.1.1 Phagocytes – Exam questions

11.1.2 Antigens

11.1.2 Antigens – Exam questions

11.1.3 Primary Immune Response

11.1.3 Primary Immune Response – Exam questions

11.1.4 Memory Cells and Immunity

11.1.4 Memory Cells and Immunity – Exam questions

11.2.1 Antibodies

11.2.1 Antibodies – Exam questions

11.2.2 Making Monoclonal Antibodies

11.2.2 Making Monoclonal Antibodies – Exam questions

11.2.3 Uses of Monoclonal Antibodies

11.2.4 Types of Immunity

11.2.4 Types of Immunity – Exam questions

11.2.5 How Vaccines Work

11.2.5 How Vaccines Work – Unit exam questions

11.2.6 Vaccination to Control Disease

11.2.6 Vaccination to Control Disease – Exam questions

Cambridge A Level Biology — Full F-drive source: 10-11 · Infectious Disease and Immunity

Unit 10 · Infectious Disease - Unit review

AS Biology Unit 10 - Assignment: Infectious Disease

Unit 11 · Immunity - Unit review

AS Biology Unit 11 - Assignment: Immunity

12.1 Energy

12.1 Energy (Part 2)

12.1 Energy (Part 3)

12.1 Energy - Check yourself

12.1.2 ATP

12.1.2 ATP – Exam questions

12.1.3 Energy Values of Respiratory Substrates

12.1.4 Respiratory Quotient (RQ)

12.1.4 Respiratory Quotient (RQ) – Unit exam questions

12.1.5 Investigating RQs

12.1.5 Investigating RQs – Unit exam questions

12.2 Respiration

12.2 Respiration (Part 2)

12.2 Respiration (Part 3)

12.2 Respiration (Part 4)

12.2 Respiration - Check yourself

12.2.1 Structure and Function of Mitochondria

12.2.1 Structure and Function of Mitochondria – Exam questions

12.2.2 The Four Stages in Aerobic Respiration

12.2.2 The Four Stages in Aerobic Respiration – Exam questions

12.2.3 Aerobic Respiration- Glycolysis

12.2.3 Aerobic Respiration- Glycolysis – Exam questions

12.2.4 Aerobic Respiration- The Link Reaction

12.2.5 Aerobic Respiration- The Krebs Cycle

12.2.5 Aerobic Respiration- The Krebs Cycle – Exam questions

12.2.6 Aerobic Respiration- Role of NAD and FAD

12.2.6 Aerobic Respiration- Role of NAD and FAD – Exam questions

12.2.7 Aerobic Respiration- Oxidative Phosphorylation

12.2.7 Aerobic Respiration- Oxidative Phosphorylation – Exam questions

12.2.8 Anaerobic Respiration

12.2.8 Anaerobic Respiration – Exam questions

12.2.9 Energy Yield- Aerobic and Anaerobic Respiration

12.2.9 Energy Yield- Aerobic and Anaerobic Respiration – Exam questions

Cambridge A Level Biology — Full F-drive source: 12 · Energy and Respiration

12.2.10 Anaerobic Adaptation of Rice

12.2.11 Aerobic Respiration- Effect of Temperature and Substrate Concentration

12.2.11 Aerobic Respiration- Effect of Temperature and Substrate Concentration – Exam questions

13.1 Photosynthesis as an Energy Transfer Process

13.1 Photosynthesis as an Energy Transfer Process - Check yourself

13.1.1 Chloroplasts

13.1.1 Chloroplasts – Exam questions

13.1.2 Stages of Photosynthesis

13.1.2 Stages of Photosynthesis – Exam questions

13.1.3 Thylakoids and the Stroma

13.1.3 Thylakoids and the Stroma – Unit exam questions

13.1.4 Chloroplast Pigments

13.1.4 Chloroplast Pigments – Unit exam questions

13.1.5 Absorption Spectra and Action Spectra

13.1.6 Chromatography of Chloroplast Pigments

13.1.7 Photophosphorylation

13.1.7 Photophosphorylation – Exam questions

13.1.8 The Calvin Cycle

13.1.8 The Calvin Cycle – Exam questions

13.2 Investigation of Limiting Factors

13.2 Investigation of Limiting Factors - Check yourself

13.2.1 Limiting Factors of Photosynthesis

13.2.1 Limiting Factors of Photosynthesis – Exam questions

13.2.2 Investigating the Rate of Photosynthesis

13.2.2 Investigating the Rate of Photosynthesis – Exam questions

Cambridge A Level Biology — Full F-drive source: 13 · Photosynthesis

14.1 Homeostasis in Mammals

14.1 Homeostasis in Mammals - Check yourself

14.1.1 Homeostasis

14.1.2 Production of Urea

14.1.2 Production of Urea – Unit exam questions

14.1.3 Kidney Structure

14.1.3 Kidney Structure – Exam questions

14.1.4 Nephron Structure

14.1.5 Formation of Urine

14.1.5 Formation of Urine – Unit exam questions

14.1.6 Osmoregulation

14.1.6 Osmoregulation – Exam questions

14.1.7 The Control of Blood Glucose

14.1.7 The Control of Blood Glucose – Exam questions

14.1.8 Test Strips and Biosensors

14.2 Homeostasis in Plants

14.2 Homeostasis in Plants - Check yourself

14.2.1 Stomata

14.2.1 Stomata – Exam questions

14.2.2 Guard Cells

14.2.2 Guard Cells – Exam questions

14.2.3 Abscisic Acid and Stomatal Closure

14.2.3 Abscisic Acid and Stomatal Closure – Exam questions

14.3 Control & Coordination in Mammals

14.3 Control & Coordination in Mammals - Check yourself

14.4 Control & Coordination in Plants

14.4 Control & Coordination in Plants - Check yourself

15.1.1 The Endocrine System

15.1.1 The Endocrine System – Exam questions

15.1.2 The Nervous System

15.1.2 The Nervous System – Exam questions

15.1.3 Neurones

15.1.3 Neurones – Exam questions

15.1.4 Sensory Receptor Cells

15.1.4 Sensory Receptor Cells – Exam questions

15.1.5 Sequence of Events Resulting in an Action Potential

15.1.5 Sequence of Events Resulting in an Action Potential – Unit exam questions

15.1.6 Transmission of Nerve Impulses

15.1.6 Transmission of Nerve Impulses – Exam questions

15.1.7 Speed of Conduction of Impulses

15.1.7 Speed of Conduction of Impulses – Exam questions

15.1.8 The Refractory Period

15.1.8 The Refractory Period – Unit exam questions

15.1.9 Cholinergic Synapses

15.1.9 Cholinergic Synapses – Unit exam questions

15.1.10 Stimulating Contraction in Striated Muscle

15.1.10 Stimulating Contraction in Striated Muscle – Exam questions

15.1.11 Ultrastructure of Striated Muscle

15.1.11 Ultrastructure of Striated Muscle – Unit exam questions

15.1.12 Sliding Filament Model of Muscular Contraction

15.1.12 Sliding Filament Model of Muscular Contraction – Unit exam questions

15.2.1 Electrical Communication in the Venus Flytrap

15.2.2 The Role of Auxin in Elongation Growth

15.2.2 The Role of Auxin in Elongation Growth – Unit exam questions

15.2.3 The Role of Gibberellin in Germination of Barley

15.2.3 The Role of Gibberellin in Germination of Barley – Unit exam questions

Cambridge A Level Biology — Full F-drive source: 14-15 · Homeostasis and Control

16.1 Passage of Information from Parents to Offspring

16.1 Passage of Information from Parents to Offspring - Check yourself

16.1.1 Haploidy and Diploidy

16.1.1 Haploidy and Diploidy – Unit exam questions

16.1.2 Homologous Chromosomes

16.1.2 Homologous Chromosomes – Exam questions

16.1.3 Meiosis in Animal and Plant Cells

16.1.3 Meiosis in Animal and Plant Cells – Exam questions

16.1.4 Identifying the Stages of Meiosis

16.1.4 Identifying the Stages of Meiosis – Exam questions

16.1.5 Meiosis- Sources of Genetic Variation

16.1.5 Meiosis- Sources of Genetic Variation – Exam questions

16.2 The Roles of Genes in Determining the Phenotype

16.2 The Roles of Genes in Determining the Phenotype - Check yourself

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

16.2.5 Predicting Inheritance- Chi-squared Test

16.2.5 Predicting Inheritance- Chi-squared Test – Exam questions

16.2.6 Genes, Proteins and Phenotype

16.2.7 The Role of Gibberellin in Stem Elongation

16.3 Gene Control

16.3 Gene Control - Check yourself

16.3.2 Gene Control- Lac Operon

16.3.2 Gene Control- Lac Operon – Exam questions

16.3.3 Gene Control- Transcription Factors

16.3.3 Gene Control- Transcription Factors – Exam questions

17.1 Variation - Check yourself

Cambridge A Level Biology — Full F-drive source: 16 · Inherited Change

17.1 Variation

17.1 Variation (Part 2)

17.1 Variation (Part 3)

17.1 Variation – Exam questions

17.1.1 Variation- Phenotype

17.1.1 Variation- Phenotype – Unit exam questions

17.1.2 Variation- Discontinuous and Continuous

17.1.2 Variation- Discontinuous and Continuous – Exam questions

17.1.3 Variation- t-test Method

17.1.3 Variation- t-test Method – Unit exam questions

17.1.4 Variation- t-test Worked Example

17.1.4 Variation- t-test Worked Example – Unit exam questions

17.2 Natural & Artificial Selection

17.2 Natural & Artificial Selection (Part 2)

17.2 Natural & Artificial Selection (Part 3)

17.2 Natural & Artificial Selection (Part 4)

17.2 Natural & Artificial Selection - Check yourself

17.2.1 Natural Selection

17.2.1 Natural Selection – Exam questions

17.2.2 Natural Selection- Types of Selection

17.2.3 Natural Selection- Changes in Allele Frequencies

17.2.3 Natural Selection- Changes in Allele Frequencies – Exam questions

17.2.4 Natural Selection- Antibiotic Resistance

17.2.5 Natural Selection- Hardy-Weinberg Principle

17.2.5 Natural Selection- Hardy-Weinberg Principle – Exam questions

17.2.6 Artificial Selection

17.2.6 Artificial Selection – Exam questions

17.2.7 Examples of Artificial Selection

17.3 Evolution

17.3 Evolution - Check yourself

17.3.1 Theory of Evolution

17.3.2 Allopatric and Sympatric Speciation

17.3.2 Allopatric and Sympatric Speciation – Exam questions

17.4 Classification

17.4 Classification - Check yourself

17.5 Biodiversity

17.5 Biodiversity (Part 2)

17.5 Biodiversity (Part 3)

17.5 Biodiversity (Part 4)

17.5 Biodiversity - Check yourself

17.6 Conservation

17.6 Conservation - Check yourself

18.1.1 Definitions of Species

18.1.1 Definitions of Species – Unit exam questions

18.1.2 The Three Domains- Archaea, Bacteria and Eukarya

18.1.2 The Three Domains- Archaea, Bacteria and Eukarya – Exam questions

18.1.3 Eukarya

18.1.3 Eukarya – Exam questions

18.1.4 Kingdoms

18.1.4 Kingdoms – Exam questions

18.2.1 Ecosystems and Niches

18.2.1 Ecosystems and Niches – Unit exam questions

18.2.3 Random Sampling

18.2.3 Random Sampling – Unit exam questions

18.2.4 Testing for Distribution and Abundance

18.2.4 Testing for Distribution and Abundance – Unit exam questions

18.2.5 Pearson's Linear Correlation

18.2.6 Spearman's Rank Correlation

18.2.7 Simpson's Index

18.2.7 Simpson's Index – Exam questions

18.3.1 Reasons for Extinction

18.3.2 Reasons for Maintaining Biodiversity

Cambridge A Level Biology — Full F-drive source: 17-18 · Selection, Evolution, Classification and Conservation

18.3.2 Reasons for Maintaining Biodiversity – Unit exam questions

18.3.3 Methods of Conservation

18.3.4 Assisted Reproduction

18.3.5 Controlling Invasive Species

18.3.5 Controlling Invasive Species – Exam questions

18.3.6 Role of IUCN in Conservation

19.1 Principles of Genetic Technology

19.1 Principles of Genetic Technology (Part 2)

19.1 Principles of Genetic Technology (Part 3)

19.1 Principles of Genetic Technology (Part 4)

19.1 Principles of Genetic Technology (Part 5)

19.1 Principles of Genetic Technology - Check yourself

19.1.1 Recombinant DNA

19.1.1 Recombinant DNA – Exam questions

19.1.2 Genetic Engineering

19.1.2 Genetic Engineering – Exam questions

19.1.3 Isolating the Desired Gene

19.1.3 Isolating the Desired Gene – Unit exam questions

19.1.4 Genetic Engineering- Enzymes

19.1.4 Genetic Engineering- Enzymes – Exam questions

19.1.5 Genetic Engineering- Vectors

19.1.5 Genetic Engineering- Vectors – Exam questions

19.1.6 Genetic Engineering- Promoters and Marker Genes

19.1.6 Genetic Engineering- Promoters and Marker Genes – Exam questions

19.1.7 Gene Editing

19.1.7 Gene Editing – 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

19.1.10 Microarrays

19.1.10 Microarrays – Unit exam questions

19.1.11 Bioinformatics

19.1.11 Bioinformatics – Exam questions

19.2 Genetic Technology Applied to Medicine

19.2 Genetic Technology Applied to Medicine (Part 2)

19.2 Genetic Technology Applied to Medicine (Part 3)

19.2 Genetic Technology Applied to Medicine - Check yourself

19.2.1 Recombinant Human Proteins

19.2.1 Recombinant Human Proteins – Unit exam questions

19.2.2 Genetic Screening

19.2.2 Genetic Screening – Exam questions

19.2.3 Gene Therapy

19.2.3 Gene Therapy – Exam questions

Cambridge A Level Biology — Full F-drive source: 19 · Genetic Technology

19.2.4 Gene Technology in Medicine

19.3 Genetically Modified Organisms in Agriculture

19.3 Genetically Modified Organisms in Agriculture - Check yourself

19.3.2 Using GMOs in Agriculture

19.3.2 Using GMOs in Agriculture – Unit exam questions