Change one set of chemicals into another set of chemicals. They do this by reorganizing the parts of each molecule. Always involves the breaking of bonds and formation of new bonds in products
Reactants ProductsStarting materials Finishing MaterialsLeft side of arrow Right side of arrowThe stuff you The stuff you“react” “produce” Reactants Products
Proteins that act as a catalyst in the body (Catalyst: Speeds up a reaction)
Very specific- only work on one type of reaction Not used up-one enzyme does many reactions
Like a lock and key Substrate (the reactant) binds to the enzyme at the active site- it provides a place for the reaction to happen.