Enzymes are chemicals that boost the chemical process that is happening inside our body. It has specific shape and only works to specific types of chemical and to a particular reaction. They cannot be destroyed or used up in the reaction.
The job is of enzyme is to move forward and to move backward. Enzymes are sensitive to pH level and temperature. One part of the enzymes is the active sites. Active sites is where the substrate bonds. Examples of enzymes are pepsin, amylase and peptidal transferase. Usually, enzymes` names end in -ase.