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 catalyze, or speed up, chemical reactions. The biological processes that sustain an organism depend on numerous chemical reactions, and enzymes ensure that these reactions occur quickly enough to sustain life. Many enzymes, in turn, are dependent on vitamin-derived substances known as coenzymes.