Enzymes are considered catalysts, why is this significant to life on this planet?

As catalysts they provide human cells the ability to have super quick biological reactions. Human cells depend on these enyzmes to provide these quick reactions. 

The proton has a positive charge while the neutron has no charge they both make up the nucleus of the atom while the elections have a negative charge and surround the nucleus of the atom. the protons and electrons are used to calculate the atom's mass whereas the neutrons don't affect the mass