Complete this vocabulary exercise relating to enzymes. match the words in the left-hand column to the appropriate blank in the sentences in the right-hand column. view available hint(s) (denatured complex catalyst substrate cofactor active site specific) 1. an enzyme is when it loses its native conformation and its biological activity. 2. an enzyme is considered a because it speeds up chemical reactions without being used up. 3. an enzyme is considered because of its ability to recognize the shape of a particular molecule. 4. a such as a vitamin, binds to an enzyme and plays a role in catalysis. 5. when properly aligned, the enzyme and substrate form an enzyme-substrate (es) 6. a substrate binds to an enzyme at the where the reaction occurs. 7. in a catalyzed reaction a reactant is often called a