Enzymes are produced through within cells. Once formed, the location of enzymes varies. Enzymes may remain within the cell. An example of an enzyme that does this is that helps to form new DNA. Enzymes may also become embedded in the plasma membrane. The enzyme does this. It can be found in the plasma membranes of small intestine cells. As a final option, some enzymes will be from the cell and used by other cells. An example of this can be seen with the pancreatic production of . Once it is released from the pancreas, it participates in digestion in the small intestine.