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 soluble protein molecules that can speed up chemical reactions in cells. Like all proteins they consist of a string of different amino acid sub units. The amino acids must occur in the correct sequence for the enzyme to work. This sequence is controlled by the genetic code for the protein.