微生物的代谢 ·新陈代谢netabolism The complex of physical and chemical processes occurring within a living cell or organism that are necessary for the maintenance of life.In metabolism some substances are broken down to yield energy for vital processes while other substances, necessary for life,are synthesized.微生物的代谢 • 新陈代谢 metabolism The complex of physical and chemical processes occurring within a living cell or organism that are necessary for the maintenance of life. In metabolism some substances are broken down to yield energy for vital processes while other substances, necessary for life, are synthesized