IGCSE BIOLOGY 
UNIT 5: enzymes

Before you start look back at 8A Digestion.

If you only remember one thing:

  • ENZYMES ARE BIOLOGICAL CATALYSTS MADE OF PROTEIN THAT SPEED UP CHEMICAL REACTIONS.

UNIT 5 ENZYMES FLIPPED LESSONS

UNIT 5 lesson 1: what are enzymes?

Before you start your notebook should look like this:
Picture

LESSON 1 VIDEO

UNIT 5 LESSON 2: ENZYME ACTIVITY

Before you start your notebook should look like this.
Picture

LESSON VIDEO

EXTRA RESOURCES

A cool experiment using Potassium Iodide (it's not an enzyme) as a catalyst for the breakdown of Hydrogen Peroxide.