1. Enzymes
Section 2.5

2. Catalyst
A catalyst is a substance that decreases the activation energy needed to start a chemical reaction.
A catalyst also speeds up the reaction.

3. Catalyst
Catalyst are not considered to be part of the product or reactant, because they are unchanged during the reaction.

4. Enzymes Enzymes are types catalysts
Enzymes are types of proteins as well
Conditions must be right for enzymes to function properly.
Temperature pH
Salt and water content

5. Turn and Talk Are all proteins enzymes? Are all catalysts enzymes?
What are the building blocks of enzymes?

6. Enzymes