Enzyme Theory

Biology

Do not appreciate the awesomeness of enzymes!!!!

How do enzymes work?

Lock and key theory• Enzymes have a specific 3D structure• They exactly match the shape of a

molecule of substrate

How do enzymes work?

Lock and key theory• Enzymes have a specific 3D structure• They exactly match the shape of a

molecule of substrate

Breaker Enzymes

Enzymes

Steps:

1. Substrate fits into active site of enzyme

3. Products leave active site, enzyme ready to work again

2. Reaction takes place

Breakdown reaction

Synthesis reaction

Builder Enzymes

Enzymes

Now try your Lock and Key worksheet!