Look at the table you completed on the previous page. If you were to sequence the amino acids for a snapping turtle, which organism on the list would you predict the sequences would most closely resemble? Make sure to state an explanation of why you chose that organism, expressing this choice in terms of common ancestry.

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.