"The key factor to this process is identifying the trait you want and then only allowing species that have that trait to breed with one another." Which of the following BEST matches the statement above? * A. Advantageous Trait
B. Natural Breeding
C. Selective Breeding
D. Natural Selection

1. an enzyme is considered a(n) because it speeds up a chemical reaction without being used up.2. in a catalyzed reaction, a reactant is often called a(n) . an enzyme is specific because the shape of its matches only particular reactants.4. an enzyme speeds up reactions by lowering the . the between an active site and its substrate often strains bonds and the reaction proceed.6. a( , which is often a vitamin, binds to an enzyme and plays a role in catalysis.7. high temperatures or changes in ph can an enzyme, causing it to lose its shape and biological activity.