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).
â¢ Enzymes are proteins that act as catalysts. Catalysts increase the rate of a chemical reaction without being consume by the reaction. Enzymes are not altered during a reaction and therefore they can be reused again and again.â¢ An enzyme speeds up a reaction by lowing the reactionâs activation energy.ll reactions require some energy to get started (activation energy). Enzymes lower the activation energy they do not provide activation energy. All chemical reactions require activation energy (Ea). Without enzymes reaction in cells would be slow and take a very long time.â¢ Enzymes are specific for certain reactions.