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CfE Higher Human Biology
Unit 1 - Human Cells
Key Area 1: Division and Differentiation
KA1a: Division of somatic and germline cells
KA1b: Cellular differentiation
KA1c: Stem cells
KA1d: Cancer Cells
Key Area 2: Structure and replication of DNA
KA2a: Structure of DNA
KA2b: Replication of DNA
KA2c: PCR
Key Area 3: Gene Expression
KA3a: RNA molecules
KA3b: RNA polymerase
KA3c: tRNA and translation
KA3d: One Gene, Many Proteins
KA3e: Forming polypeptides
Key Area 4: Mutations
KA4a: Mutations
KA4b: Single gene mutations
KA4c: Chromosome mutations
Key Area 5: Human Genomics
KA5a: Genome and genome sequencing
KA5b: Pharmacogenetics
Key Area 6: Metabolic Pathways
KA6a: Metabolic pathways
KA6b: Control of metabolic pathways
Key Area 7: Cellular Respiration
KA7a: Metabolic pathways of respiration
KA7b: ATP synthesis
KA7c: Role of ATP in energy transfer
Key Area 8: Energy systems in muscle cells
KA8a: Lactate metabolism
KA8b: Skeletal muscle fibres
Unit 1 Revision
Unit 2 - Physiology and Health
Key Area 1: Gamete production & fertilisation
KA1a: Gamete production in the testes
KA1b: Gamete production in the ovaries
KA1c: Fertilisation
Key Area 2: Hormonal control of reproduction
KA2a: Hormonal influence on puberty
KA2b: Hormonal control of sperm production
KA2c: Hormonal control of the menstrual cycle
Key Area 3: The biology of controlling fertility
KA3a: Cyclical or continuous fertility
KA3b: Treatments for infertility
KA3c: Physical and chemical methods of contraception
Key Area 4: Antenatal and postnatal screening
KA4a: Antenatal Screening
KA4b: Analysis of patterns of inheritance
KA4c: Postnatal screening
Key Area 5: Structure and function of blood vessels
KA5a: Blood circulation
KA5b: Blood vessels
KA5c: Exchange of materials
Key Area 6: The structure and function of the heart
KA6a: Cardiac output
KA6b: The cardiac cycle
KA6c: The cardiac conducting system
KA6d: Blood pressure
Key Area 7: CVD
KA7a: Atherosclerosis
KA7b: Thrombosis
KA7c: Peripheral vascular disorders
KA7d: Cholesterol
Key Area 8: Blood glucose levels and obesity
KA8a: Blood glucose levels
KA8b: Insulin, glucagon and adrenaline
KA8c: Type 1 and Type 2 Diabetes
KA8d: Obesity
Unit 2 Revision
Unit 3 - Neurobiology and Immunology
Key Area 1: Divisions of the nervous system
KA1a: Nervous system divisions
KA1b: Neural pathways
Key Area 2: The cerebral cortex
KA2a: Cerebral cortex
KA2b: Hemispheres
Key Area 3: Memory
KA3a: Encoding, storage and retrieval
KA3b: Sensory memory
KA3c: STM
KA3d: LTM
Key Area 4: Cells of the Nervous System
KA4a: Neurons
KA4b: Neurotransmitters
KA4c: Mood and behaviour
KA4d: Disorders
KA4e: Recreational drugs
Key Area 5: Non-specific body defences
KA5a: Physical and chemical defences
KA5b: Inflammatory response
KA5c: Phagocytes
Key Area 6: Specific cellular defences
KA6a: Lymphocytes
KA6b: Immunological memory
Key area 7: Immunisation
KA7a: Vaccination
KA7b: Herd immunity
KA7c: Antigenic variation
Key Area 8: Clinical trials
Revision Material
Problem Solving
Extended Responses
Experimental Design Questions
Overall Course Revision
CfE Advanced Higher Biology
Topic 1
Topic 1 - KA1 Laboratory Techniques for Biologists
Topic 1 - KA1a - Health & Safety
Topic 1 - KA1b - Liquids & Solutions
Topic 1 - KA1c - Separation techniques
Topic 1 - KA1d - Detecting proteins using antibodies
Topic 1 - KA1e - Microscopy
Topic 1 - KA1f - Aseptic technique & cell culture
Topic 1 - KA2 - Proteins
Topic 1 - KA2a - Proteome
Topic 1 - KA2b - Synthesis and transport of proteins
Topic 1 - KA2c - Protein structure
Topic 1 - KA3 - Membrane Proteins
Topic 1 - KA3a - Movement of molecules across cell membranes
Topic 1 - KA3b - Ion transport pumps and generation of ion gradients
Topic 1 - KA4 - Communication and signalling
Topic 1 - KA4a - Coordination
Topic 1 - KA4b - Hydrophobic signals and control of transcription
Topic 1 - KA4c - Hydrophilic signals and transduction
Topic 1 - KA4d - Nerve impulse transmission
Topic 1 - KA5 - Protein control of cell division
Topic 1 - KA5a - The cytoskeleton and cell division
Topic 1 - KA5b - The cell cycle
Topic 1 - KA5c - Control of the cell cycle
Topic 1 - KA5d - Control of programmed cell death (apoptosis)
ANSWERS: Topic 1 Tasks
Answers: Topic 1, Key Area 1
Answers: Topic 1, Key Area 2
Answers: Topic 1, Key Area 3
Answers: Topic 1, Key Area 4
Answers: Topic 1, Key Area 5
Topic 1 Revision
Topic 2
Topic 2 - KA1 - Field Techniques
KA1a - Health and Safety
KA1b - Sampling of wild organisms
KA1c - Identification and Taxonomy
KA1d - Monitoring populations
KA1e - Measuring and recording behaviour
Topic 2 - KA2 - Evolution
KA2a - Drift and Selection
KA2b - Fitness
KA2c - Co-evolution
Topic 2 - KA3 - Variation
KA3a: Costs & Benefits
KA3b: Meiosis
KA3c: Sex determination
Topic 2 - KA4 - Sex & Behaviour
KA4a: Parental investment
KA4b: Reproductive behaviours
Topic 2 - KA5 - Parasitism
KA5a: Niche
KA5b: Parasitic life cycles
KA5c: Transmission & virulence
KA5d: Defence against parasitic attack
KA5e: Immune evasion
KA5f: Challenges in treatment & control
Answers to Topic 2 Tasks
Answers: Topic 2, Key Area 1
Answers: Topic 2, Key Area 2
Answers: Topic 2, Key Area 3
Answers: Topic 2, Key Area 4
Answers: Topic 2, Key Area 5
Topic 3
Topic 3 - KA1 Scientific Principles
Topic 3 - KA2 Experimentation
Topic 3 - KA2 Experimentation - All about sampling
Topic 3 - KA3 Reporting and Critical Evaluation
Answers to Topic 3 Tasks
Projects
Revision Material
Topic 1 Revision
Topic 2 Revision
Topic 3 Revision
Extended Responses
Problem Solving and Application of Knowledge
Retrieval Practice Techniques
Future You - Biology in Scotland
The Biology Coach
Home
CfE Higher Human Biology
Unit 1 - Human Cells
Key Area 1: Division and Differentiation
KA1a: Division of somatic and germline cells
KA1b: Cellular differentiation
KA1c: Stem cells
KA1d: Cancer Cells
Key Area 2: Structure and replication of DNA
KA2a: Structure of DNA
KA2b: Replication of DNA
KA2c: PCR
Key Area 3: Gene Expression
KA3a: RNA molecules
KA3b: RNA polymerase
KA3c: tRNA and translation
KA3d: One Gene, Many Proteins
KA3e: Forming polypeptides
Key Area 4: Mutations
KA4a: Mutations
KA4b: Single gene mutations
KA4c: Chromosome mutations
Key Area 5: Human Genomics
KA5a: Genome and genome sequencing
KA5b: Pharmacogenetics
Key Area 6: Metabolic Pathways
KA6a: Metabolic pathways
KA6b: Control of metabolic pathways
Key Area 7: Cellular Respiration
KA7a: Metabolic pathways of respiration
KA7b: ATP synthesis
KA7c: Role of ATP in energy transfer
Key Area 8: Energy systems in muscle cells
KA8a: Lactate metabolism
KA8b: Skeletal muscle fibres
Unit 1 Revision
Unit 2 - Physiology and Health
Key Area 1: Gamete production & fertilisation
KA1a: Gamete production in the testes
KA1b: Gamete production in the ovaries
KA1c: Fertilisation
Key Area 2: Hormonal control of reproduction
KA2a: Hormonal influence on puberty
KA2b: Hormonal control of sperm production
KA2c: Hormonal control of the menstrual cycle
Key Area 3: The biology of controlling fertility
KA3a: Cyclical or continuous fertility
KA3b: Treatments for infertility
KA3c: Physical and chemical methods of contraception
Key Area 4: Antenatal and postnatal screening
KA4a: Antenatal Screening
KA4b: Analysis of patterns of inheritance
KA4c: Postnatal screening
Key Area 5: Structure and function of blood vessels
KA5a: Blood circulation
KA5b: Blood vessels
KA5c: Exchange of materials
Key Area 6: The structure and function of the heart
KA6a: Cardiac output
KA6b: The cardiac cycle
KA6c: The cardiac conducting system
KA6d: Blood pressure
Key Area 7: CVD
KA7a: Atherosclerosis
KA7b: Thrombosis
KA7c: Peripheral vascular disorders
KA7d: Cholesterol
Key Area 8: Blood glucose levels and obesity
KA8a: Blood glucose levels
KA8b: Insulin, glucagon and adrenaline
KA8c: Type 1 and Type 2 Diabetes
KA8d: Obesity
Unit 2 Revision
Unit 3 - Neurobiology and Immunology
Key Area 1: Divisions of the nervous system
KA1a: Nervous system divisions
KA1b: Neural pathways
Key Area 2: The cerebral cortex
KA2a: Cerebral cortex
KA2b: Hemispheres
Key Area 3: Memory
KA3a: Encoding, storage and retrieval
KA3b: Sensory memory
KA3c: STM
KA3d: LTM
Key Area 4: Cells of the Nervous System
KA4a: Neurons
KA4b: Neurotransmitters
KA4c: Mood and behaviour
KA4d: Disorders
KA4e: Recreational drugs
Key Area 5: Non-specific body defences
KA5a: Physical and chemical defences
KA5b: Inflammatory response
KA5c: Phagocytes
Key Area 6: Specific cellular defences
KA6a: Lymphocytes
KA6b: Immunological memory
Key area 7: Immunisation
KA7a: Vaccination
KA7b: Herd immunity
KA7c: Antigenic variation
Key Area 8: Clinical trials
Revision Material
Problem Solving
Extended Responses
Experimental Design Questions
Overall Course Revision
CfE Advanced Higher Biology
Topic 1
Topic 1 - KA1 Laboratory Techniques for Biologists
Topic 1 - KA1a - Health & Safety
Topic 1 - KA1b - Liquids & Solutions
Topic 1 - KA1c - Separation techniques
Topic 1 - KA1d - Detecting proteins using antibodies
Topic 1 - KA1e - Microscopy
Topic 1 - KA1f - Aseptic technique & cell culture
Topic 1 - KA2 - Proteins
Topic 1 - KA2a - Proteome
Topic 1 - KA2b - Synthesis and transport of proteins
Topic 1 - KA2c - Protein structure
Topic 1 - KA3 - Membrane Proteins
Topic 1 - KA3a - Movement of molecules across cell membranes
Topic 1 - KA3b - Ion transport pumps and generation of ion gradients
Topic 1 - KA4 - Communication and signalling
Topic 1 - KA4a - Coordination
Topic 1 - KA4b - Hydrophobic signals and control of transcription
Topic 1 - KA4c - Hydrophilic signals and transduction
Topic 1 - KA4d - Nerve impulse transmission
Topic 1 - KA5 - Protein control of cell division
Topic 1 - KA5a - The cytoskeleton and cell division
Topic 1 - KA5b - The cell cycle
Topic 1 - KA5c - Control of the cell cycle
Topic 1 - KA5d - Control of programmed cell death (apoptosis)
ANSWERS: Topic 1 Tasks
Answers: Topic 1, Key Area 1
Answers: Topic 1, Key Area 2
Answers: Topic 1, Key Area 3
Answers: Topic 1, Key Area 4
Answers: Topic 1, Key Area 5
Topic 1 Revision
Topic 2
Topic 2 - KA1 - Field Techniques
KA1a - Health and Safety
KA1b - Sampling of wild organisms
KA1c - Identification and Taxonomy
KA1d - Monitoring populations
KA1e - Measuring and recording behaviour
Topic 2 - KA2 - Evolution
KA2a - Drift and Selection
KA2b - Fitness
KA2c - Co-evolution
Topic 2 - KA3 - Variation
KA3a: Costs & Benefits
KA3b: Meiosis
KA3c: Sex determination
Topic 2 - KA4 - Sex & Behaviour
KA4a: Parental investment
KA4b: Reproductive behaviours
Topic 2 - KA5 - Parasitism
KA5a: Niche
KA5b: Parasitic life cycles
KA5c: Transmission & virulence
KA5d: Defence against parasitic attack
KA5e: Immune evasion
KA5f: Challenges in treatment & control
Answers to Topic 2 Tasks
Answers: Topic 2, Key Area 1
Answers: Topic 2, Key Area 2
Answers: Topic 2, Key Area 3
Answers: Topic 2, Key Area 4
Answers: Topic 2, Key Area 5
Topic 3
Topic 3 - KA1 Scientific Principles
Topic 3 - KA2 Experimentation
Topic 3 - KA2 Experimentation - All about sampling
Topic 3 - KA3 Reporting and Critical Evaluation
Answers to Topic 3 Tasks
Projects
Revision Material
Topic 1 Revision
Topic 2 Revision
Topic 3 Revision
Extended Responses
Problem Solving and Application of Knowledge
Retrieval Practice Techniques
Future You - Biology in Scotland
More
Home
CfE Higher Human Biology
Unit 1 - Human Cells
Key Area 1: Division and Differentiation
KA1a: Division of somatic and germline cells
KA1b: Cellular differentiation
KA1c: Stem cells
KA1d: Cancer Cells
Key Area 2: Structure and replication of DNA
KA2a: Structure of DNA
KA2b: Replication of DNA
KA2c: PCR
Key Area 3: Gene Expression
KA3a: RNA molecules
KA3b: RNA polymerase
KA3c: tRNA and translation
KA3d: One Gene, Many Proteins
KA3e: Forming polypeptides
Key Area 4: Mutations
KA4a: Mutations
KA4b: Single gene mutations
KA4c: Chromosome mutations
Key Area 5: Human Genomics
KA5a: Genome and genome sequencing
KA5b: Pharmacogenetics
Key Area 6: Metabolic Pathways
KA6a: Metabolic pathways
KA6b: Control of metabolic pathways
Key Area 7: Cellular Respiration
KA7a: Metabolic pathways of respiration
KA7b: ATP synthesis
KA7c: Role of ATP in energy transfer
Key Area 8: Energy systems in muscle cells
KA8a: Lactate metabolism
KA8b: Skeletal muscle fibres
Unit 1 Revision
Unit 2 - Physiology and Health
Key Area 1: Gamete production & fertilisation
KA1a: Gamete production in the testes
KA1b: Gamete production in the ovaries
KA1c: Fertilisation
Key Area 2: Hormonal control of reproduction
KA2a: Hormonal influence on puberty
KA2b: Hormonal control of sperm production
KA2c: Hormonal control of the menstrual cycle
Key Area 3: The biology of controlling fertility
KA3a: Cyclical or continuous fertility
KA3b: Treatments for infertility
KA3c: Physical and chemical methods of contraception
Key Area 4: Antenatal and postnatal screening
KA4a: Antenatal Screening
KA4b: Analysis of patterns of inheritance
KA4c: Postnatal screening
Key Area 5: Structure and function of blood vessels
KA5a: Blood circulation
KA5b: Blood vessels
KA5c: Exchange of materials
Key Area 6: The structure and function of the heart
KA6a: Cardiac output
KA6b: The cardiac cycle
KA6c: The cardiac conducting system
KA6d: Blood pressure
Key Area 7: CVD
KA7a: Atherosclerosis
KA7b: Thrombosis
KA7c: Peripheral vascular disorders
KA7d: Cholesterol
Key Area 8: Blood glucose levels and obesity
KA8a: Blood glucose levels
KA8b: Insulin, glucagon and adrenaline
KA8c: Type 1 and Type 2 Diabetes
KA8d: Obesity
Unit 2 Revision
Unit 3 - Neurobiology and Immunology
Key Area 1: Divisions of the nervous system
KA1a: Nervous system divisions
KA1b: Neural pathways
Key Area 2: The cerebral cortex
KA2a: Cerebral cortex
KA2b: Hemispheres
Key Area 3: Memory
KA3a: Encoding, storage and retrieval
KA3b: Sensory memory
KA3c: STM
KA3d: LTM
Key Area 4: Cells of the Nervous System
KA4a: Neurons
KA4b: Neurotransmitters
KA4c: Mood and behaviour
KA4d: Disorders
KA4e: Recreational drugs
Key Area 5: Non-specific body defences
KA5a: Physical and chemical defences
KA5b: Inflammatory response
KA5c: Phagocytes
Key Area 6: Specific cellular defences
KA6a: Lymphocytes
KA6b: Immunological memory
Key area 7: Immunisation
KA7a: Vaccination
KA7b: Herd immunity
KA7c: Antigenic variation
Key Area 8: Clinical trials
Revision Material
Problem Solving
Extended Responses
Experimental Design Questions
Overall Course Revision
CfE Advanced Higher Biology
Topic 1
Topic 1 - KA1 Laboratory Techniques for Biologists
Topic 1 - KA1a - Health & Safety
Topic 1 - KA1b - Liquids & Solutions
Topic 1 - KA1c - Separation techniques
Topic 1 - KA1d - Detecting proteins using antibodies
Topic 1 - KA1e - Microscopy
Topic 1 - KA1f - Aseptic technique & cell culture
Topic 1 - KA2 - Proteins
Topic 1 - KA2a - Proteome
Topic 1 - KA2b - Synthesis and transport of proteins
Topic 1 - KA2c - Protein structure
Topic 1 - KA3 - Membrane Proteins
Topic 1 - KA3a - Movement of molecules across cell membranes
Topic 1 - KA3b - Ion transport pumps and generation of ion gradients
Topic 1 - KA4 - Communication and signalling
Topic 1 - KA4a - Coordination
Topic 1 - KA4b - Hydrophobic signals and control of transcription
Topic 1 - KA4c - Hydrophilic signals and transduction
Topic 1 - KA4d - Nerve impulse transmission
Topic 1 - KA5 - Protein control of cell division
Topic 1 - KA5a - The cytoskeleton and cell division
Topic 1 - KA5b - The cell cycle
Topic 1 - KA5c - Control of the cell cycle
Topic 1 - KA5d - Control of programmed cell death (apoptosis)
ANSWERS: Topic 1 Tasks
Answers: Topic 1, Key Area 1
Answers: Topic 1, Key Area 2
Answers: Topic 1, Key Area 3
Answers: Topic 1, Key Area 4
Answers: Topic 1, Key Area 5
Topic 1 Revision
Topic 2
Topic 2 - KA1 - Field Techniques
KA1a - Health and Safety
KA1b - Sampling of wild organisms
KA1c - Identification and Taxonomy
KA1d - Monitoring populations
KA1e - Measuring and recording behaviour
Topic 2 - KA2 - Evolution
KA2a - Drift and Selection
KA2b - Fitness
KA2c - Co-evolution
Topic 2 - KA3 - Variation
KA3a: Costs & Benefits
KA3b: Meiosis
KA3c: Sex determination
Topic 2 - KA4 - Sex & Behaviour
KA4a: Parental investment
KA4b: Reproductive behaviours
Topic 2 - KA5 - Parasitism
KA5a: Niche
KA5b: Parasitic life cycles
KA5c: Transmission & virulence
KA5d: Defence against parasitic attack
KA5e: Immune evasion
KA5f: Challenges in treatment & control
Answers to Topic 2 Tasks
Answers: Topic 2, Key Area 1
Answers: Topic 2, Key Area 2
Answers: Topic 2, Key Area 3
Answers: Topic 2, Key Area 4
Answers: Topic 2, Key Area 5
Topic 3
Topic 3 - KA1 Scientific Principles
Topic 3 - KA2 Experimentation
Topic 3 - KA2 Experimentation - All about sampling
Topic 3 - KA3 Reporting and Critical Evaluation
Answers to Topic 3 Tasks
Projects
Revision Material
Topic 1 Revision
Topic 2 Revision
Topic 3 Revision
Extended Responses
Problem Solving and Application of Knowledge
Retrieval Practice Techniques
Future You - Biology in Scotland
Task Answers
Topic 2
The answers to all tasks found throughout Topic 2 can be accessed via the following pages. Simply click the link below to check your answers:
Topic 2, Key Area 1 Tasks
Topic 2, Key Area 2 Tasks
Topic 2, Key Area 3 Tasks
Topic 2, Key Area 4 Tasks
Topic 2, Key Area 5 Tasks
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