Biology Lessons

GCSE Biology - OCR Gateway Higher Triple

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Contents

Topic 1 - Cell Level Systems

Topic 2 - Scaling Up

Topic 3 - Organism Level Systems

Topic 4 - Community Level Systems

Topic 5 - Genes, Inheritance and Selection

Topic 6 - Global Challenges

Topic 7 - Practicals

Topic 1 - Cell Level Systems

1.1 - Cell Structure

1.2 - Microscopy - What it is

1.3 - Microscopy - Light & Electron Microscopes

1.4 - Microscopy - Units of Conversion

1.5 - Microscopy - Calculations

1.6 - DNA 1 - Chromosomes, Genome & Migration

1.7 - DNA 2 - Key Terms

1.8 - DNA 3 - Structure & How it Codes

1.9 - Protein Synthesis - Transcription & Translation

1.10 - What are Enzymes?

1.11 - Factors Affecting Enzyme Action

1.12 - Aerobic and Anaerobic Respiration

1.13 - Biological Molecules

1.14 - Food Tests (Practical)

1.15 - Photosynthesis

1.16 - Factors Affecting Photosynthesis

Topic 2 - Scaling Up

2.1 - Cell Organisation

2.2 - Mitosis

2.3 - Specialised Cells & Differentiation

2.4 - Stem Cells

2.5 - Diffusion

2.6 - Osmosis

2.7 - Active Transport

2.8 - Lungs & Gas Exchange

2.9 - Surface Area to Volume Ratio

2.10 - Specialised Exchange Surfaces

2.11 - Circulatory System 1 - Heart

2.12 - Circulatory System 2 - Blood Vessels

2.13 - Circulatory System 3 - Blood

2.14 - Plant Cell Organisation

2.15 - Transpiration & Translocation

Topic 3 - Organism Level Systems

3.1 - The Nervous System, Synapses & Reflexes

3.2 - Brain

3.3 - Eyes 1 - Eye Structure & Iris Reflex

3.4 - Eyes 2 - Accommodation & Visual Defects

3.5 - Endocrine System

3.6 - Adrenaline & Thyroxine

3.7 - Puberty, Menstrual Cycle & Reproductive Hormones

3.8 - Contraception

3.9 - Fertility Treatment

3.10 - Plant Hormones - Auxins

3.11 - Plant Hormones - Commercial Uses

3.12 - Homeostasis

3.13 - Thermoregulation

3.14 - Regulating Glucose

3.15 - Diabetes

3.16 - Kidneys 1 - Overview & ADH

3.17 - Kidneys 2 - Anatomy & Nephrons

Topic 4 - Community Level Systems

4.1 - Carbon Cycle & Water Cycle

4.2 - Decay

4.3 - Competition & Interdependence

4.4 - Abiotic and Biotic Factors

4.5 - Food chains & Foodwebs

4.6 - Trophic Levels

4.7 - Pyramids of Biomass

Topic 5 - Genes, Inheritance and Selection

5.1 - Variation & Evolution

5.2 - Mutations

5.3 - Meiosis

5.4 - Sexual & Asexual Reproduction

5.5 - Pros & Cons of Sexual & Asexual Reproduction

5.6 - Genetic Diagrams & Punnet Squares

5.7 - Mendel

5.8 - Classification

Topic 6 - Global Challenges

6.1 - Investigating Abundance & Distribution

6.2 - Keys

6.3 - How Humans Reduce Biodiveristy

6.4 - Deforestation & Land Use

6.5 - Maintaining Biodiversity

6.6 - Global Warming

6.7 - Food Security

6.8 - GMOs & Population Growth

6.9 - Selective Breeding

6.10 - Genetic Engineering/Modification

6.11 - Health and Disease

6.12 - Communicable Disease 1 - Introduction

6.13 - Communicable Disease 2 - Viruses

6.14 - Communicable Disease 3 - Bacteria

6.15 - Communicable Disease 4 - Protists and Fungi

6.16 - Plant Diseases & Defences

6.17 - Immune System & Defences

6.18 - Vaccinations & Immunisation

6.19 - Drugs & Medicines

6.20 - Culturing Microorganisms

6.21 - Antibiotic Resistance

6.22 - Developing New Medicines

6.23 - Monoclonal Antibodies

6.24 - Pregnancy Test

6.25 - Risk Factors for Non-Communicable Diseases

6.26 - Cardiovascular Disease

6.27 - Stem Cells in Medicine

6.28 - Using Genome Research in Medicine

Topic 7 - Practicals

7.1 - Microscopy

7.2 - Food Tests

7.3 - Photosynthesis

7.4 - Microbiology

7.5 - Osmosis