1. Chapter 2
The Chemistry of Life

2. Chemical Reactions
A chemical reaction is a process that changes one set of chemicals into another set of chemicals
*What is the chemical equation for water??

3. Chemical Reactions (cont.)
Two components in a chemical reaction
Reactants: elements or compounds that enter a reaction
Products – elements or products that are produced by the reaction

4. Enzymes Enzymes are proteins that SPEED up chemical reaction in cells.
Clip!
Ends in the letters “ASE”

5. Enzymes Only one Substrate will fit to the active site on an Enzyme
*like a lock and key
Other Functions:
Regulate cell processes
Make materials the cell needs
Release energy