| A | B |
|---|
| chemical reaction | changes one substance to another |
| reactant | the beginning material in a chemical reaction; what comes BEFORE the arrow |
| products | what is left in a chemical reaction; comes AFTER the arrow |
| catalyst | something that speeds up a chemical reaction |
| enzyme | proteins that speed up/help jump start reactions in an organism |
| substrate | the material that an enzyme binds to and breaks down |
| complex | the enzyme and substrate together |
| active site | where the enzyme and substrate bind together |
| activation energy | the amount of energy required for reactant molecules to begin a chemical reaction |
| denature | enzyme changes shape so that it no longer works properly |
