what are enzymes and how do they work?

• what are enzymes?


  proteins that are biological catalysts they speed up reactions without being used up
• what are the 2 main types of enzymes?

  Intracellular and extracellular
• what is an intracellular enzyme?

  made and act inside the cell used for respiration and photosynthesis
• what are extracellular enzymes?

  made inside the cell but act outside, digestive enzymes like digestive enzymes like amylase