All Washington cities. Washington: Portal to the Pacific Northwest. Washington State, positioned in the upper left corner of the map, offers an abundance of recreational, educational, cultural, and career opportunities. The state's largest city, Seattle, is a harbor town situated on Puget Sound, and is a popular choice for relocation.
Enzymes speed up the rate of chemical reactions by lowering the energy of activation (the amount of energy needed to begin a reaction).nzymes speed up the rate of chemical reactions by lowering the energy of activation (the amount of energy needed to begin a reaction).
Enzymes are catalysts, which means that they make chemical reactions go faster, but are not changed by the reaction. For example, digestive enzymes cause food that you eat to be broken down much faster than would occur without them, but they are not broken down in the reaction they are speeding up.