Enzymes: How They Work, What Affects Them & Food Tests
Welcome back to the Edexcel GCSE Biology Revision Podcast. I'm your host, and today we're covering Topic one point two — Enzymes.
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Enzymes: How They Work, What Affects Them & Food Tests
Episode Overview
Episode 2 — Topic 1.2: Enzymes
This episode covers the complete Edexcel GCSE Biology (1BI0) specification for Topic 1.2. Chapters include:
- What Are Enzymes?
- How Enzymes Work — The Active Site
- Denaturation
- Factors Affecting Enzymes (Temperature, pH, Substrate Concentration)
- Digestive Enzymes as Biological Catalysts
- Calculating Rates of Enzyme Activity
- Practical Food Tests
- Exam Tips
Next episode: Topic 1.3 — Movement In and Out of Cells (Diffusion, Osmosis, Active Transport)
Sources
All content sourced directly from Save My Exams revision notes for Edexcel GCSE Biology (1BI0):
- The Action of Enzymes — Save My Exams Edexcel GCSE Biology 1.2.1
- Factors Affecting Enzymes — Save My Exams Edexcel GCSE Biology 1.2.2
- Enzymes as Biological Catalysts — Save My Exams Edexcel GCSE Biology 1.2.5
- Rate Calculations for Enzyme Activity — Save My Exams Edexcel GCSE Biology 1.2.4
- Practical Food Tests — Save My Exams Edexcel GCSE Biology 1.2.6
Audio Notes
Includes intro music (8 seconds) and outro music (10 seconds) — calm piano and strings theme, consistent across all episodes in this series.
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