GCSE Biology - What are Enzymes?

In this video, we cover:
- What enzymes are
- How enzymes work
- The difference between the lock and key model and the induced fit model

Exam board specific info:
AQA - Suitable for everyone
IGCSE Edexcel - Suitable for everyone
Edexcel - Suitable for everyone
OCR 21st Century - Suitable for everyone
OCR Gateway - Suitable for everyone
CIE - Suitable for everyone