<P> Metabolism is usually divided into two categories : catabolism , the breaking down of organic matter for example , the breaking down of glucose to pyruvate , by cellular respiration , and anabolism , the building up of components of cells such as proteins and nucleic acids . Usually , breaking down releases energy and building up consumes energy . </P>
<P> Metabolism is usually divided into two categories : catabolism , the breaking down of organic matter for example , the breaking down of glucose to pyruvate , by cellular respiration , and anabolism , the building up of components of cells such as proteins and nucleic acids . Usually , breaking down releases energy and building up consumes energy . </P>
what are the two main mechanisms for regulating metabolic activity
what are the two main mechanisms for regulating metabolic activity
catabolism , the breaking down of organic matter for example , the breaking down of glucose to pyruvate , by cellular respiration anabolism , the building up of components of cells such as proteins and nucleic acids
catabolism , the breaking down of organic matter for example , the breaking down of glucose to pyruvate , by cellular respiration anabolism , the building up of components of cells such as proteins and nucleic acids