Biology Lessons

GCSE Biology - SQA5

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Contents

Topic 1 - Cells and Respiration

Topic 2 - DNA and Proteins

Topic 3 - Reproduction

Topic 4 - Control and Communication

Topic 5 - Transport Systems

Topic 6 - Photosynthesis

Topic 7 - Ecosystems

Topic 8 - Evolution

Topic 1 - Cells and Respiration

1.1 - Cell Structure

1.2 - Microscopy - What it is

1.3 - Microscopy - Units of Conversion

1.4 - Microscopy - Calculations

1.5 - Diffusion

1.6 - Osmosis

1.7 - Active Transport

1.8 - Aerobic & Anaerobic Respiration

Topic 2 - DNA and Proteins

2.1 - DNA 1 - Chromosomes, Genome & Migration

2.2 - DNA 2 - Terms to Know

2.3 - DNA 3 - Structure and How it Codes

2.4 - Protein Synthesis - Transcription & Translation

2.5 - What are Enzymes?

2.6 - Factors that Affect Enzyme Action

2.7 - Genetic Engineering

Topic 3 - Reproduction

3.1 - Mitosis

3.2 - Sexual and Asexual Reproduction

3.3 - Cell Differentiation and Specialisation

3.4 - Stem Cells

3.5 - Stem Cells in Medicine

3.6 - Cell Organisation

3.7 - Sexual Reproduction (Anatomy & Pollination)

3.8 - Genetic Diagrams & Punnet Squares

3.9 - Family Trees

Topic 4 - Control and Communication

4.1 - The Nervous System, Synapses & Reflexes

4.2 - Brain

4.3 - Structure of the Eye & Iris Reflex

4.4 - Endocrine System

4.5 - Regulating Glucose

4.6 - Diabetes

Topic 5 - Transport Systems

5.1 - Circulatory System 1 - Heart

5.2 - Circulatory System 2 - Blood Vessels

5.3 - Circulatory System 3 - Blood

5.4 - Immune System & Defences

5.5 - Specialised Exchange Surfaces

5.6 - Plant Cell Organisation

5.7 - Transpiration & Translocation

Topic 6 - Photosynthesis

6.1 - Photosynthesis

6.2 - Factors That Affect Photosynthesis

Topic 7 - Ecosystems

7.1 - Competition & Interdependence

7.2 - Abiotic and Biotic Factors

7.3 - Investigating Abundance & Distribution

7.4 - Keys (Practical)

7.5 - Food chains & Foodwebs

7.6 - Trophic Levels

7.7 - Pyramids of Biomass

7.8 - Food Security

7.9 - Eutrophication

7.10 - GMOs & Population Growth

Topic 8 - Evolution

8.1 - Mutations

8.2 - Variation & Evolution

8.3 - Speciation